Narrow Tandem Locking Device, Right Hand, Minimum Inside Drawer Width 3-3/4" , Up and Down Adjustable
Rating 4.7 | 1,260 Reviews | Our Item Number BST51.0801.20R
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$1.21/ea for 100
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Manufacturer Info
- Manufacturer : Blum
- Manufacturer Part # : T51.0801.20 R
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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 ![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 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 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 
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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 
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BLUM Lateral Stabilizer Rod Kit for Tandem 9" to 27" Length 563/569 Slides, Maximum Opening Width 46-21/32". 
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Screw On Socket For Tandem Plus 9 Inch for Interior Cabinet Depth 10-15/32, 11-3/32 Inch 
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Tandem Rollout End Cap Right 
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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 1260 ratings
based on 1260 ratings
"These reviews are from our customers who have purchased Blum products."
- 1 of 1 people found the following review helpful
5 of 5 Narrow drawer locking device July 6th, 2018
by randall from Lake Butler, FLBuilding new home, ordered RTA cabinets. We have four drawers that needed the narrow drawer locking devices. Found these here @ a great price. Easy to order, & prompt shipment. Packaging was good. They all worked as advertised.
- 5 of 5 Perfect August 15th, 2022
by Carl from Gore, VA.They are exactly what I wanted and work perfectly. Great price as well
- 4 of 5 That's good stuff February 19th, 2020
by Gladys from Milton, NH(no comment given)
- 5 of 5 worked as described-great price August 19th, 2019
by Derrick from Spring Branch, TXSome online retailers are selling these narrow locks for a ridiculous amount. Good to see CabinetParts selling them at an honest price. Very fast shipping as well.
- 5 of 5 The part I needed July 25th, 2017
by ROBERT from WENTZVILLE, MO(no comment given)
Reviews about us...
- 5 of 5 | July 29th, 2026
Shipping was fast and I love the pulls! They matched with my existing knobs and gave me the look I was going for.
- 5 of 5 | July 28th, 2026
Purchase and delivery were easy and fast.
- 5 of 5 | July 28th, 2026
I realized they had sent a different part for one of my under mount latches. I called them and they sent the replacement part in just a couple of days.
- 5 of 5 | July 28th, 2026
Easy to install. They were heavier (150#) than the originals(100#) installed in 2006. Very easy to pull. Excellent. W. O. B.
- 5 of 5 | July 27th, 2026
Jonzee did a great job identifying the correct replacement hinges. The original design on the hinges is no longer available. The new replacement hinges required drilling new holes for the screws and routing out the 35MM hole to allow the hinge to open the
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