Tandem 563/569 Locking Device, Right Hand, Up and Down & Side-to-Side Adjustment, Vertical Mount Application
Rating 4.7 | 1,282 Reviews | Our Item Number BST51.1901.20R
Build custom solutions that allow you to get the most out of your space. TANDEM glides are versatile, making a solution for a range of storage needs from deep and wide drawers, specialized pantry storage to custom corner options. Since the runners are concealed under the drawer, they never interfere with style or design.
$
2.57 Each
$3.67
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Ends Nov 21
Ends Nov 21
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Product Info Blum ID Number: 03942549, Series: TANDEM, Hand: Right, See more product details
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Size Info
- For Use With : Designed for 13 (1/2 Inch) drawer bottom recess
- Maximum Inside Drawer Width : 170 mm (6-11/16 Inch)
- Side Adjustment : Side-to-side adjustment ±1.5 (1/16 Inch)
- Height Adjustment : Height adjustment +3 (1/8 Inch)
- Adjustment : 2D (Height +3mm, Side-to-side adjustment ±1.5mm)
- Thickness : Minimum sub-front thickness 16 mm (5/8 Inch)
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Manufacturer Info
- Manufacturer : Blum
- Manufacturer Part # : T51.1901.20
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Other Important Info
- Product Type : Locking Device: Standard NON-Side Adjustable
- Blum ID Number : 03942549
- Key Features : TANDEM vertical mount right locking device with side-to-side adjustment
Vertical mount locking device used to minimize sub-front splitting
One right and one left required per drawer
Captive right device and self-aligning left device
Self-adjusting drawer length tolerance
Steel base with synthetic, spring-loaded release levers - Series : TANDEM
- Mounting Type : Vertical Mount
- Hand : Right
Manufacturer Resources
LOCKING DEVICE Assembly Tip-on for Tandem 
Tandem side stabilisation assembly 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 
Blum Left-Handed Standard 2-Way Tandem Locking Device, Includes Up and Down, and Side-to-Side Adjustability 
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Blum Left-Handed 3-Way Adjustable Tandem Locking Device, Includes Up & Down, Side-To-Side, and up to 2.5mm Outward Adjustability 
Blum Left-Handed Standard Tandem Locking Device, Includes Up and Down Adjustability 
Blum Right-Handed Standard Tandem Locking Device, Includes Up and Down Adjustability 
Tandem Narrow Rear Mounting Bracket Ea ![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")
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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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Screw On Socket For Tandem Plus 9 Inch for Interior Cabinet Depth 11-5/32, 11-25/32 Inch 
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Our customers say Blum products...
4.7 out of 5
based on 1282 ratings
based on 1282 ratings
"These reviews are from our customers who have purchased Blum products."
- 5 of 5 It is what I needed May 11th, 2026
by Bill from Durango, COI ordered the part because the original broke and I needed a replacement. It is the correct part.
This review is about a different size/color of this item. (BST51.1901.20L)
- 5 of 5 Perfect November 10th, 2026
by Jim from Iron, MNMy customer rep was very knowledgeable, helpful and product arrived promptly.
This review is about similar Blum Drawer Slides. (BS563F5330B)
- 5 of 5 Blum undermount October 20th, 2026
by Michael from Brasstown, NCEasy to install and works smoothly and perfectly.
This review is about similar Blum Drawer Slides. (BS563H5330B)
- 4 of 5 They work October 16th, 2026
by David from Shrub Oak, NYEven though they are not an exact match for what we had, they work well and the videos on installation are great.
This review is about similar Blum Drawer Slides. (BST51.1901L)
- 5 of 5 Perfect October 14th, 2026
by David from Ellington, CT(no comment given)
This review is about similar Blum Drawer Slides. (BA2953750)
Reviews about us...
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Great price, fast shipping perfect fit for our lazy Susan corner cabinet
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I had a hinge for a cabinet in the corner of my kitchen break. A local store didn’t have it, and referred me to cabinetparts.com. Although the hinge is apparently obscure, they had it. Delivery timing was as expected, and the hinge fit perfectly. Project
- 5 of 5 | November 9th, 2026
The product was received as stated and was in excellent shape. Installation was easy, and we are all pleased with the operation of the slide out garbage can holder.
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The soft close Cabinet hinges were perfect.
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Glides are great and the purchase experience was straight forward!
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