Blum Left-Handed Standard Tandem Locking Device, Includes Up and Down Adjustability
Rating 4.6 | 299 Reviews | Our Item Number BST51.1801L
$
1.07
$1.03/ea for 100
$1.53
SAVE 30%
Ends Sep 19
Ends Sep 19
Adjustment Types:
Need Help? Contact Us Now
Product Info Adjustments: Height, Direction: Left Hand, See more product details
or
Packs ™Save more! Buy a Pro Pack.
Large Project?
Orders $2500+ Qualify for Special Discounts.
Build your item list and get a Quick Quote
view bid cartAll the product info you could ask for...
-
Size Info
- Adjustments : Height
- Height Adjustment : 1/8 Inch
-
Manufacturer Info
- Manufacturer : Blum
- Manufacturer Part # : T51.1801 L
-
Other Important Info
- Notes : One right & one left required per drawer
- Product Type : Locking Device: Standard NON-Side Adjustable
- Sold : Each
- Direction : Left Hand
Manufacturer Resources
Blum Tandem Under Mount Drawer Slides 
How to install Blum Tandem Drawer Slides 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 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 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 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 
Blum 43 Inch Length Tip-On Synchronization Rod for MOVENTO/TANDEM Pull-Out Shelf Lock 
Tandem Dowel Mount Rear Socket ![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". 
Tandem Screw Mount Rear Socket 
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 
Blum Pull-Out Lock for Tandem and Movento Slides, Requires Synchronization Rod Sold Separately 
Face Frame Pull Out Shelf Lock for Movento and Tandem 563. & 563H Slides 
Screw On Socket For Tandem Plus 9 Inch for Interior Cabinet Depth 10-15/32, 11-3/32 Inch 
Tandem Universal Rear Mounting Block 
Tandem Rollout End Cap Right 
Tandem Rollout End Cap Left 
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 Review June 13th, 2025
by TERRY from Cortland, OHPrice was great on the Blum pieces and received quickly !
- 5 of 5 Locking device review February 12th, 2025
by Brian from Tiffin, IaThe tandem locking device was easy to install and worked perfectly. I will be using them again.
- 5 of 5 Novice here January 22nd, 2025
by Nancy from Spartanburg, SCWe are homeowners who needed a drawer repaired. We found and ordered these, watched YouTube to figure out the fix and installed them. Great product!
- 4 of 5 Hobbyist finds hope January 17th, 2025
by Frank from Carson, IAI’m not a professional by any stretch of the imagination, but I do enjoy woodworking and recently underwent a large project that called for cabinets. With the help of CabinetParts.com I was able to get the right parts for custom pieces that were easy to find, store and look fantastic!
- 8 of 70 people found the following review helpful
4 of 5 Drawer slide locks September 8th, 2016
by Stephen from Longboat Key, FLYour help researching my original unmarked in any way mechanisms, these fit nearly perfectly! Thanks immensely!
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
× ![]()
Pinterest
Twitter
YouTube
Facebook