The MILWAUKEE 49162554 tool boot is for use with MILWAUKEE M12 FUEL Stubby Impact Wrenches(M12FIWF12-0, M12FIW38-0, M12FIWP12-0) only. This product provides a lightweight, durable solution that is meant to protect the tool and work surface. A durable rubber design will withstand corrosive materials commonly found in maintenance environments.