These full-extension, silent drawer slides have a load capacity of 100 pounds.
Quadro IW21 Full Extension Soft-Close Undermount Drawer Slides

Features:
- All Steel Concealed Ball Bearings
- 100 Pound Static Weight Capacity
- Full Extension
- Silent Soft Close System is a drawer dampening system that prevents drawers from slamming shut
- No Side-to-Side Motion to Prevent Racking
- Face Frame or Frameless Mounting
- For Use With 1/2" or 5/8" Thick Drawer Boxes

Notes:
- Screws not included. 
    - Recommended screw: 0.FPC08058Z
- Front-fixing clip required, not included, sold separately:
   1D Adjustability:
     - H.9306534 (5/8" Drawer Box)
     - H.9306533 (1/2" Drawer Box)
    2D Adjustability:
     - H.9306536 (5/8" Drawer Box)
     - H.9306535 (1/2" Drawer Box)
- Rear attachment optional, sold separately (H.9308864)