Phyfalip 21 Inch 1 Pair Undermount Soft Close Drawer Slides Full Extension Hidden Bottom Mount Rails 100 LB Capacity Heavy Duty Steel

The undermount drawer slides feature a silent soft close and anti - pinch safety design with premium hydraulic dampers, delivering ultra - quiet and gentle soft closing with noise under 32dB and preventing accidental finger pinches for a safe and peaceful home environment.

With a full extension design, these drawer slides allow you to pull the drawer out completely, reaching every corner without dead zones, and are equipped with a 1D adjustable locking device for precise height adjustment and easy removal of the drawer by pressing the lock handles.

Made of high - quality thickened galvanized cold - rolled steel, the drawer slides offer industrial - grade durability, rust resistance, anti - deformation, and anti - sagging performance, capable of holding a 100 LB load per pair steadily.

Tested to withstand over 100,000 open/close cycles, these heavy - duty drawer slides maintain smooth operation for years of frequent use, far outlasting ordinary ones, making them ideal for heavy - duty storage scenarios like kitchens, garages, and offices.

Available in multiple sizes from 9 to 21 inches, these concealed bottom mount slides fit most standard cabinet depths and are compatible with both face frame and frameless cabinets, offering wide application.

The complete kit comes with undermount drawer slides, rear mounting brackets, 1D adjustable locking device, mounting screws, and instructions, simplifying the installation and saving extra purchase trouble.