Set of ratchets & sockets designed for use in professional automotive, mechanical, and industrial services applications, as well as home settings. Material: CrV 6140 steel, CrV 50BV30, S2. Tool handle size: 1/4" (6.3 mm), 3/8" (9.5 mm). The 72-tooth As-Drive ratchet ensures maximum torque transmission without risk of slipping. Comes in a durable and...