Narrow Tandem Locking Device, Left Hand, Minimum Inside Drawer Width 3-3/4" , Up and Down Adjustable
Rating 4.7 | 1,248 Reviews | Our Item Number BST51.0801.20L
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Manufacturer Info
- Manufacturer : Blum
- Manufacturer Part # : T51.0801.20 L
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Other Important Info
- Notes : One right & one left required per drawer
- Product Type : Locking Device: Narrow Drawer
- 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 Depth Adjustable Locking Devices- Up and down, side to side, & In and out adjustable
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 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 
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 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 ![Blum Tandem 563H 9" 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=9163&p=sq-sm "Blum Tandem 563H 9" 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 9" 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 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 563F 9" 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=9158&p=sq-sm "Blum Tandem 563F 9" 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 9" 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 ![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 
Tandem Narrow Rear Mounting Bracket Ea 
Tandem Dowel Mount Rear Socket 
Blum 43 Inch Length Tip-On Synchronization Rod for MOVENTO/TANDEM Pull-Out Shelf Lock ![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 ![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". 
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Blum Drawer Front Adjuster 
Tandem 563/569 Locking Device, Left Hand, Up and Down & Side-to-Side Adjustment, Vertical Mount Application 
Tandem 563/569 Locking Device, Right Hand, Up and Down & Side-to-Side Adjustment, Vertical Mount Application 
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Tandem Rollout End Cap Right 
Tandem Rollout End Cap Left 
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...
4.7 out of 5
based on 1248 ratings
based on 1248 ratings
"These reviews are from our customers who have purchased Blum products."
- 5 of 5 Narrow tandem locking device March 31st, 2022
by Norman from THE VILLAGES, FLAlways needed when I build base 9 with a drawer.
- 5 of 5 Excellent service! November 30th, 2020
by Debbi from Princeton, New JerseyI was really angry with my son when he broke the pull out drawer and snapped the bracket. I thought it was never going to be fixed! Finding the right part felt impossible. Cabinet Parts was super responsive, helped me figure out what need to be replaced, and promptly sent the piece I needed. I was able the fix the cabinet in minutes! And my 18 yo helped, so the story ends happily.
- 4 of 5 2 day Shipping took 5 days February 19th, 2020
by Gladys from Milton, NHHi - The parts I ordered were exactly the right ones and fixed the cabinet. However, I ordered on a Wednesday, paid for 2 day shipping, and did not get the delivery until late on Monday.
- 0 of 1 people found the following review helpful
5 of 5 Helpful Vendor July 25th, 2017
by ROBERT from WENTZVILLE, MOCabinet Parts sent me exactly what I needed to repair my drawer.
- 0 of 1 people found the following review helpful
5 of 5 Blumotion narrow lockd June 16th, 2016
by Barry from Akron, NYPerfect for my narrow drawer !!
Reviews about us...
- 5 of 5 | June 10th, 2026
I was searching for door handle replacement parts fora closet and garage door. Searching the Internet I came across CabinetParts site. They had exactly what I needed and provided great support before I ordered. Parts all fit as described. I would recommen
- 4 of 5 | June 9th, 2026
My order was mispacked, with one item left out of the box. A very responsive actual human customer service rep took care of the problem quickly and without drama.
- 5 of 5 | June 8th, 2026
Found exactly what I needed and it was delivered quickly.
- 5 of 5 | June 8th, 2026
We had a problem with our order and they responded immediately. Their parts are top notch.
- 5 of 5 | June 8th, 2026
Ordered on Thursday receieved Saturday unexpectedly way early! Great operational sales support
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