Full-extension soft-close ball bearing drawer slides. Top mat and drawer liners. Metal rail mounted inside. Proudly made in in the USA. Each drawer supports up to 100lbs - double slides support up to 150lbs. 37" 4 Drawer Tool Chest. 6 Outlet power strip with 2 USBs. Interior metal rail. Gas struts. 37" 5 Drawer Rolling Tool Cabinet. 6" x 2" Over toe locking casters. 18/20 Gauge steel construction. Up to 2000lbs total capacity. Net includes freight - inside delivery NOT included.