MASTER RATCHET CRIMPING KIT. A comprehensive crimping kit with premium light weight allow ratchet tool & 6 of the most popular interchangeable heads to fulfil the requirements of the professional auto electrician, motor mechanic or tradesman. The light weight of the tool ensures all day user comfort & reduces fatigue and strain often associated with similar heavier ratchet type tools. A smooth, heavy-duty ratchet action & quick release spring lever enables ease of use & a guaranteed high quality crimp every time