Easy to install --- The boot adapter has a small body, fine workmanship, simple operation and easy installation. Simply add the drill bit to the electric drill and insert it into the portable device. Easy to use --- The engine starting adapter can start the engine smoothly and protect the engine, and the electric start adapter eliminates pull start. Sturdy and durable --- The start adapter machine is made of high quality alloy steel, high hardness materials, sturdy and durable, and is an ideal replacement for lawn mowers. Wide range of applications --- It has a wide range of uses and can be used to start engines and start lawn mowers. lawn trimmers, cutting machines, leaf blowers and field cultivators.