Drawer Slides Closed Length 16 in Compatible with Grainger Part Number 48ZF02 Compatible with Manufacturer Model No BTD-450101DZ-12A Drawer Slide Features Auto-Return Drawer Slide Function Auto-Return and Ball Bearing Drawer Slide Type Ball Bearing Includes Mounting Hardware No Load Capacity per Pair 99 lb Open Length 31 1/2 in Package Quantity 2