UWS DS-22-BLK Black 22" Drawer Slide Box 5 precision-injected commercial grade drawers integrated into one 22-inch box for secure storage of tools and equipment Corrosion resistant zinc-plated metal sliders with stainless steel ball bearings for smooth operation Aluminum tread plate construction with fully welded seams looks sharp is guaranteed not to rust Stainless steel T-handle lock provides strength, security and long-term corrosion resistance Patented MicroSeal Stripping helps seal out moisture, dust and dirt