Replacement Parts Number:49-16-3050 Fit for : M12 FUEL INSIDER Extended Reach Ratchet (3050-20) only Made with waterproof, durable and flexible rubber material.Meant to protect the tool and work surface.Durable rubber design will withstand corrosive materials commonly found in maintenance environments ,Flexible material allows for easy install and removal Includes: 1 insider box ratchet protective boot Note:Not for use on or near live electrical circuits. Use on any other product may result in damage to tool motor