20 in. Side Mount Stainless Steel Ball Bearing Full Extension Drawer SlidesSouth Main Hardware ball bearing drawer slides include telescopic full extension. These drawer slides are made from cold rolled steel and have a maximum weight capacity of 100 lbs. Total width is 1. 77 in. or 45 mm. These slides have a thickness of 1. 2 in. x 1. 2 in. x 1. 5 in. these drawer slides are great for replacing old or worn slides in your home, office or school. Recommended for use on cabinet doors, bedroom furniture, bathroom cabinets, and