This US PRO set includes three stubby ratchets made from durable Chrome Vanadium Steel. The set features a 1/4" Drive ratchet with a length of 85mm, a 3/8" Drive ratchet with a length of 104mm, and a 1/2" Drive ratchet with a length of 140mm. Each ratchet boasts a 72-tooth drive for fine-toothed operation and a quick-release mechanism. The set is supplied in a foam storage tray for convenient organization.