1 Pair 21 Inch Undermount Drawer Slides With Full Extension Hidden Rails Soft Close Bottom Mount With Rear Mounting Brackets And Locking Devices Fits One Half Inch Or Five Eighths Inch Thick Panels For Face Frame Or Frameless Drawers

1 Pair 21-Inch Undermount Drawer Slides with Soft Close
✔️ Full-extension, concealed rails, bottom mount, 80 lb cap

This 21-inch undermount drawer slide kit is built to give your kitchen, study, pantry, or workshop cabinets a clean, hidden-rail look while delivering smooth, full-extension operation with soft-close action. It fits 1/2" or 5/8" thick panels and works with both face-frame and frameless drawers. The kit includes 2 rails, 16 screws (14mm), 2 adjustable locking devices, and rear mounting brackets for secure, easy installation.

Dimension	Value
Drawer length	533mm (21")
Cabinet depth	566-586mm (22.3"-23.1")
Panel thickness	12.7mm (1/2"), 15.9mm (5/8")

✅ Full-extension design maximizes drawer space and delivers smooth, silent operation for daily use
✅ Concealed bottom-mount rails provide a clean exterior and stable alignment
✅ Fits 1/2" or 5/8" thick panels (12.7mm or 15.9mm)
✅ Weight capacity up to 80 lbs per pair for sturdy loads
✅ Includes: 1 pair (2 rails), 16 screws (14mm), 2 locking devices, rear brackets

💡 What is a handy use case for undermount drawer slides in kitchen and workshop cabinets?

These hidden rails keep interiors neat and provide smooth, quiet closure for everyday use.

- handy for face-frame and frameless cabinetry with clean interior
- supports full-extension for easy access to contents
- helps with alignment and reduces drawer rattle
- compatible with 533mm drawer length and 566-586mm cabinet depth