Model Number: 49-16-2554. This m12 stubby impact boot offers a design of form-fitting and lightweight, for protecting the M12 FUEL 3/8 in. and 1/2 in. Stubby impact wrenches (2554, 2555, 2555P). Flexible material for easy installation and removal. Made of special grade rubber, very light and adds minimal weight to the tool. This M12 Stubby Protective Boot 49-16-2554 will avoid the damage when inevitable drops occur during the course of routine use, and which not only gives your Milwaukee tool first-class protection, but also gives you the best hand feeling, it will be an essential tool in your automotive engineering project. Not for use on or near live circuits. Using this M12 tool boot on any other incompatible electric tool may cause damage to the tool, so please pay attention to the suitability of the cover for your tool. The durable proprietary rubber withstand corrosive materials commonly found in maintenance environments (such as engine oil, gasoline, diesel fuel, even small stone chips)., Manufacturer: ENEWSTAR