A must have for any mechanic tradesman or handyman the UniMac 17pc 1/2' Wrench Kit features a reinforced drive hammer. Ideal for fastening in difficult to operate spaces such as motor vehicles or deep inside the bowels of machinery. Easy to use point and shoot will tackle any task. Along with this trade duty weapon comes an inline lubricator to ensure longevity a full range of quality impact sockets all housed in a hard carry case. Whether your operation is large or small there's no doubt that this industry leading Air Impact Wrench Set will exceed all your expectations.