20", Zinc Finish, Heavy Duty Full Extension Soft Close Drawer Slide, 100 LB Weight Class, Side Mount With Telescopic Movement On Ball Bearings, Integrated Patented Soft Close Mechanism, 32 mm Hole Pattern With Direct Access Mounting, Lever Disconnect For Easy Drawer Removal, Non-Handed Design, Recommended Maximum Drawer Width Of 24", Contains 1 Pair With Screws.