Size: 30PC. 160-position ratchet realizes a 2.25 degree swing arc to turn a fastener in tight space with ease. Thumbwheel design enables you to tighten or loosen fasteners with a flip of thumb. 26-Piece shallow&deep sockets including 4, 4.5, 5, 5.5, 6, 7, 8, 9, 10, 11, 12, 13, 14 mm.