21 Inch Soft-Close Drawer Slides, Full Extension, 6 Pairs

Soft close drawer slides deliver quiet, controlled closing while supporting heavy kitchen and cabinet drawers up to 100 lb static. This 21-inch full-extension rail set uses thickened carbon steel with smooth ball bearings and a damped soft-close cylinder to reduce slam, vibration, and drawer drift. The locking mechanism and included adjuster hardware help you fine-tune alignment for cleaner reveals and consistent glide.

• Delivers soft-close damping for quiet, no-slam drawer closing with smooth ball-bearing travel


• Supports up to 100 lb static / 80 lb dynamic for loaded drawers, tools, pantry items, and cookware


• Extends fully in 3 stages to bring contents into view and reduce hard-to-reach “blind spots”


• Includes a locking mechanism plus 3D adjuster and metal plate for precise cabinet alignment


• Fits 21 in drawers and common side panel thicknesses (1/2 in and 5/8 in) for easier replacement installs

Upgrade worn rails or retrofit new cabinetry with a compact, corrosion-resistant slide design built for daily use. The full-extension action makes organization faster, while the soft-close system keeps drawers from slamming shut in busy kitchens, offices, and workshops. Designed for American-style cabinets, these rails help keep drawers tracking straight and closing evenly. Grab yours today and finish your build with a smoother, quieter glide.

• Type: Soft-close full-extension ball bearing drawer rails with locking mechanism


• Length (fits drawer): 21 in / 533.4 mm


• Overall dimensions: 21.54 x 2.4 x 2.13 in (547 x 61 x 54 mm)


• Load rating: 100 lb (45.4 kg) static; 80 lb (36.3 kg) dynamic


• Material: Carbon steel (galvanized)


• Compatibility: Drawer side panels 1/2 in and 5/8 in thick


• Quantity: 6 pieces