Stop struggling with your drawers when you have Knape & Vogt Drawer Slides Extension! With this drawer slides extension, you'll have peace of mind knowing that your drawers are well-secured. The side mount drawer slide is crafted in zinc-plated cold-rolled steel and features a positive stop lever that prevents accidental drawer removal. The required clearance for this ball-bearing drawer slide is 1/2 inches plus 1/32 inches minus 0 on each side. It has ball-bearing nylon rollers and is made to fit medium-duty applications where a lever release is desired. This ball-bearing drawer slide is suitable for kitchen cabinets, vanity, desk, and store fixture applications.