Blum Left-Handed 3-Way Adjustable Tandem Locking Device, Includes Up & Down, Side-To-Side, and up to 2.5mm Outward Adjustability
Rating 4.6 | 299 Reviews | Our Item Number BST51.1901PSL
$
4.60
$4.46/ea for 100
$6.57
SAVE 30%
Ends Sep 19
Ends Sep 19
Adjustment Types:
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Product Info Side Adjustment: 1/16 Inch, See more product details
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Size Info
- Height Adjustment : 1/8 Inch
- Side Adjustment : 1/16 Inch
- Depth Adjustment : 3/32 Inch, preset at 0
- Mount Type : Left Standard with Depth Adjustment
- Adjustments : Height, Side, and Depth
- Includes : (1) Depth Adjustment Left Hand Locking Device
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Manufacturer Info
- Manufacturer : Blum
- Manufacturer Part # : T51.1901.PS L
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Other Important Info
- Notes : One right & one left required per drawer
- Product Type : Locking Device
- Sold : Each
Manufacturer Resources
Blum Tandem Under Mount Drawer Slides 
How to install Blum Tandem Drawer Slides Standard Locking Devices- Up and down adjustment
Blum Left-Handed Standard Tandem Locking Device, Includes Up and Down Adjustability 
Blum Right-Handed Standard Tandem Locking Device, Includes Up and Down Adjustability Standard Locking Devices- Up and down & side-to-side adjustable.
Blum Left-Handed Standard 2-Way Tandem Locking Device, Includes Up and Down, and Side-to-Side Adjustability 
Blum Right-Handed Standard 2-Way Tandem Locking Device, Includes Up and Down, and Side-to-Side Adjustability Narrow Drawer Locking Devices
![Narrow Tandem Locking Device, Left Hand, Minimum Inside Drawer Width 3-3/4" , Up and Down Adjustable](https://cdn-media.cabinetparts.com/primary_product.jpg?id=9272&p=sq-sm "Narrow Tandem Locking Device, Left Hand, Minimum Inside Drawer Width 3-3/4" , Up and Down Adjustable")
Narrow Tandem Locking Device, Left Hand, Minimum Inside Drawer Width 3-3/4" , Up and Down Adjustable ![Narrow Tandem Locking Device, Right Hand, Minimum Inside Drawer Width 3-3/4" , Up and Down Adjustable](https://cdn-media.cabinetparts.com/primary_product.jpg?id=9273&p=sq-sm "Narrow Tandem Locking Device, Right Hand, Minimum Inside Drawer Width 3-3/4" , Up and Down Adjustable")
Narrow Tandem Locking Device, Right Hand, Minimum Inside Drawer Width 3-3/4" , Up and Down Adjustable Accessories
![BLUM Lateral Stabilizer Rod Kit for Tandem 9" to 27" Length 563/569 Slides, Maximum Opening Width 46-21/32".](https://cdn-media.cabinetparts.com/primary_product.jpg?id=122153&p=sq-sm "BLUM Lateral Stabilizer Rod Kit for Tandem 9" to 27" Length 563/569 Slides, Maximum Opening Width 46-21/32".")
BLUM Lateral Stabilizer Rod Kit for Tandem 9" to 27" Length 563/569 Slides, Maximum Opening Width 46-21/32". 
Blum Drawer Front Adjuster 
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#7 x 5/8 inch Flat Head Screws (25 Pack) Compatible Drawer Boxes (Many Sizes Available)
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![White Birch 21" Depth Drawer Box for 6" Opening Width x 4-1/2" Minimum Height, Prepared for Undermount Slides Slides, Actual Drawer Size 5-5/8" W x 3-1/2" H x 21" D](https://cdn-media.cabinetparts.com/primary_product.jpg?id=48068&p=sq-sm "White Birch 21" Depth Drawer Box for 6" Opening Width x 4-1/2" Minimum Height, Prepared for Undermount Slides Slides, Actual Drawer Size 5-5/8" W x 3-1/2" H x 21" D")
White Birch 21" Depth Drawer Box for 6" Opening Width x 4-1/2" Minimum Height, Prepared for Undermount Slides Slides, Actual Drawer Size 5-5/8" W x 3-1/2" H x 21" D ![White Birch 21" Depth Drawer Box with Scoop for 6" Opening Width x 4-1/2" Minimum Height, Prepared for Undermount Slides Slides, Actual Drawer Size 5-5/8" W x 3-1/2" H x 21" D](https://cdn-media.cabinetparts.com/primary_product.jpg?id=49980&p=sq-sm "White Birch 21" Depth Drawer Box with Scoop for 6" Opening Width x 4-1/2" Minimum Height, Prepared for Undermount Slides Slides, Actual Drawer Size 5-5/8" W x 3-1/2" H x 21" D")
White Birch 21" Depth Drawer Box with Scoop for 6" Opening Width x 4-1/2" Minimum Height, Prepared for Undermount Slides Slides, Actual Drawer Size 5-5/8" W x 3-1/2" H x 21" D Other - TANDEM 563 Series Drawer Slides by Blum
![Blum Tandem 563H 21" Length Blumotion Soft-Close Undermount Full-Extension Slide for 1/2 Inch to 5/8 Inch Thick Drawer Sides, Front Locking Clips Required, 100 lb. Load Rating](https://cdn-media.cabinetparts.com/primary_product.jpg?id=9167&p=sq-sm "Blum Tandem 563H 21" Length Blumotion Soft-Close Undermount Full-Extension Slide for 1/2 Inch to 5/8 Inch Thick Drawer Sides, Front Locking Clips Required, 100 lb. Load Rating")
Blum Tandem 563H 21" Length Blumotion Soft-Close Undermount Full-Extension Slide for 1/2 Inch to 5/8 Inch Thick Drawer Sides, Front Locking Clips Required, 100 lb. Load Rating ![Blum Tandem 563H 18" Length Blumotion Soft-Close Undermount Full-Extension Slide for 1/2 Inch to 5/8 Inch Thick Drawer Sides, Front Locking Clips Required, 100 lb. Load Rating](https://cdn-media.cabinetparts.com/primary_product.jpg?id=9166&p=sq-sm "Blum Tandem 563H 18" Length Blumotion Soft-Close Undermount Full-Extension Slide for 1/2 Inch to 5/8 Inch Thick Drawer Sides, Front Locking Clips Required, 100 lb. Load Rating")
Blum Tandem 563H 18" Length Blumotion Soft-Close Undermount Full-Extension Slide for 1/2 Inch to 5/8 Inch Thick Drawer Sides, Front Locking Clips Required, 100 lb. Load Rating ![Blum Tandem 563F 21" Length Blumotion Soft-Close Undermount Full-Extension Slide for 5/8 to 3/4 Inch Thick Drawer Sides, Front Locking Clips Required, 100 lb. Load Rating](https://cdn-media.cabinetparts.com/primary_product.jpg?id=9162&p=sq-sm "Blum Tandem 563F 21" Length Blumotion Soft-Close Undermount Full-Extension Slide for 5/8 to 3/4 Inch Thick Drawer Sides, Front Locking Clips Required, 100 lb. Load Rating")
Blum Tandem 563F 21" Length Blumotion Soft-Close Undermount Full-Extension Slide for 5/8 to 3/4 Inch Thick Drawer Sides, Front Locking Clips Required, 100 lb. Load Rating ![Blum Tandem 563H 15" Length Blumotion Soft-Close Undermount Full-Extension Slide for 1/2 Inch to 5/8 Inch Thick Drawer Sides, Front Locking Clips Required, 100 lb. Load Rating](https://cdn-media.cabinetparts.com/primary_product.jpg?id=9165&p=sq-sm "Blum Tandem 563H 15" Length Blumotion Soft-Close Undermount Full-Extension Slide for 1/2 Inch to 5/8 Inch Thick Drawer Sides, Front Locking Clips Required, 100 lb. Load Rating")
Blum Tandem 563H 15" Length Blumotion Soft-Close Undermount Full-Extension Slide for 1/2 Inch to 5/8 Inch Thick Drawer Sides, Front Locking Clips Required, 100 lb. Load Rating ![Blum Tandem 563F 18" Length Blumotion Soft-Close Undermount Full-Extension Slide for 5/8 to 3/4 Inch Thick Drawer Sides, Front Locking Clips Required, 100 lb. Load Rating](https://cdn-media.cabinetparts.com/primary_product.jpg?id=9161&p=sq-sm "Blum Tandem 563F 18" Length Blumotion Soft-Close Undermount Full-Extension Slide for 5/8 to 3/4 Inch Thick Drawer Sides, Front Locking Clips Required, 100 lb. Load Rating")
Blum Tandem 563F 18" Length Blumotion Soft-Close Undermount Full-Extension Slide for 5/8 to 3/4 Inch Thick Drawer Sides, Front Locking Clips Required, 100 lb. Load Rating ![Blum Tandem 563H 12" Length Blumotion Soft-Close Undermount Full-Extension Slide for 1/2 Inch to 5/8 Inch Thick Drawer Sides, Front Locking Clips Required, 100 lb. Load Rating](https://cdn-media.cabinetparts.com/primary_product.jpg?id=9164&p=sq-sm "Blum Tandem 563H 12" Length Blumotion Soft-Close Undermount Full-Extension Slide for 1/2 Inch to 5/8 Inch Thick Drawer Sides, Front Locking Clips Required, 100 lb. Load Rating")
Blum Tandem 563H 12" Length Blumotion Soft-Close Undermount Full-Extension Slide for 1/2 Inch to 5/8 Inch Thick Drawer Sides, Front Locking Clips Required, 100 lb. Load Rating 
15 Inch Length Tandem 563F Undermount Full-Extension Soft-Close Drawer Slide for Drawer Side Width 5/8 to 3/4 Inch, Front Locking Clips Required, 100 lb. Load Rating ![Blum Tandem 563F 12" Length Blumotion Soft-Close Undermount Full-Extension Slide for 5/8 to 3/4 Inch Thick Drawer Sides, Front Locking Clips Required, 100 lb. Load Rating](https://cdn-media.cabinetparts.com/primary_product.jpg?id=9159&p=sq-sm "Blum Tandem 563F 12" Length Blumotion Soft-Close Undermount Full-Extension Slide for 5/8 to 3/4 Inch Thick Drawer Sides, Front Locking Clips Required, 100 lb. Load Rating")
Blum Tandem 563F 12" Length Blumotion Soft-Close Undermount Full-Extension Slide for 5/8 to 3/4 Inch Thick Drawer Sides, Front Locking Clips Required, 100 lb. Load Rating ![Blum Tandem 563H 9" Length Soft-Close Undermount 3/4Extension Slide for 1/2 Inch to 5/8" Drawer Sides, Front Locking Clips Required, Side-Mounting Only](https://cdn-media.cabinetparts.com/primary_product.jpg?id=9163&p=sq-sm "Blum Tandem 563H 9" Length Soft-Close Undermount 3/4Extension Slide for 1/2 Inch to 5/8" Drawer Sides, Front Locking Clips Required, Side-Mounting Only")
Blum Tandem 563H 9" Length Soft-Close Undermount 3/4Extension Slide for 1/2 Inch to 5/8" Drawer Sides, Front Locking Clips Required, Side-Mounting Only ![Blum Tandem 563F 9" Length Soft-Close Undermount 3/4 Extension Slide for 5/8 to 3/4" Drawer Sides, Front Locking Clips Required, Side-Mounting Only](https://cdn-media.cabinetparts.com/primary_product.jpg?id=9158&p=sq-sm "Blum Tandem 563F 9" Length Soft-Close Undermount 3/4 Extension Slide for 5/8 to 3/4" Drawer Sides, Front Locking Clips Required, Side-Mounting Only")
Blum Tandem 563F 9" Length Soft-Close Undermount 3/4 Extension Slide for 5/8 to 3/4" Drawer Sides, Front Locking Clips Required, Side-Mounting Only ![Tandem 563, 21" Length Blumotion Soft Close Undermount Slide for Frameless Construction, 5/8” Drawer Side Thickness, Full Extension, 90 lb. Load Rating](https://cdn-media.cabinetparts.com/primary_product.jpg?id=9157&p=sq-sm "Tandem 563, 21" Length Blumotion Soft Close Undermount Slide for Frameless Construction, 5/8” Drawer Side Thickness, Full Extension, 90 lb. Load Rating")
Tandem 563, 21" Length Blumotion Soft Close Undermount Slide for Frameless Construction, 5/8” Drawer Side Thickness, Full Extension, 90 lb. Load Rating 
Tandem Rear Mounting Bracket, Sold Individually 
Blum Left-Handed 3-Way Adjustable Tandem Locking Device, Includes Up & Down, Side-To-Side, and up to 2.5mm Outward Adjustability 
Blum Right-Handed 3-Way Adjustable Tandem Locking Device, Includes Up & Down, Side-To-Side, and up to 2.5mm Outward Adjustability 
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Screw On Socket For Tandem Plus 9 Inch for Interior Cabinet Depth 10-15/32, 11-3/32 Inch 
Screw On Socket For Tandem Plus 9 Inch for Interior Cabinet Depth 11-5/32, 11-25/32 Inch 
Tandem 563 Series for Frameless Construction, 18 Inch Long, 5/8” Drawer Side Thickness, Blumotion Soft Close Undermount Slide, Full Extension, 100 lb. Load Rating 
Our customers say Blum products...
4.6 out of 5
based on 299 ratings
based on 299 ratings
"These reviews are from our customers who have purchased Blum products."
- 5 of 5 Fine product February 16th, 2026
by Ronald from South Dayton, NYWorked as expected. Used them many times before. No problems.
- 5 of 5 Perfect December 31st, 2025
by Gregory from San Francisco, CA(no comment given)
- 5 of 5 Perfect July 31st, 2025
by Michael from Moorestown, NJ(no comment given)
- 5 of 5 Perfect July 7th, 2025
by William from LITTLE ELM, TX(no comment given)
- 5 of 5 The most effective method to get straight drawers May 8th, 2025
by Richard from Texarkana, TXVery easy to install and adjust
Reviews about us...
- 5 of 5 | September 8th, 2026
I needed a hinge, found it on your website, ordered it, received it a few days later, installed it, Thank you.
- 5 of 5 | September 8th, 2026
After you shipped my order promptly it got lost during shipping. All tracking from FedEx just stopped in the middle of the shipping. After trying to contact FedEx for help with little luck my wife reached out to you folks. I am very sorry I don’t remember
- 5 of 5 | September 8th, 2026
Exactly what we were looking for. Quality is great, fast shipping.
- 5 of 5 | September 8th, 2026
I had to return the part due to it being the wrong size. I will reorder a new part
- 4 of 5 | September 8th, 2026
Would have given a five star except screws that are sold along with drawer slides are shipped from a different location, presumably by a third party retailer. Tracking says shipped by USPostal Service which is slow and unreliable lately. Been 2 weeks and
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