Hollow handle, sockets and extensions eliminate the need for deep sockets. Ratchet design increases torque up to 40 degree and needs as little as 5 degree of arc. Includes GearRatchet handle, 1/4in. drive adapter, 13 metric sockets (3.5, 4, 4.5, 5, 5.5, 6, 7, 8, 9, 10, 11, 12 and 13mm), 9 SAE sockets (5/32in., 3/16in., 7/32in., 1/4in., 9/32in., 5/16in., 3/8in., 7/16in. and 1/2in.), 3in. extension and adapter to convert GearRatchet to 1/4in. drive.Pieces: 25qty.SAE Socket Size: 5/32, 3/16, 7/32, 1/4, 9/32, 5/16, 3/8, 7/16, 1/2 in.Metric Socket Size: 3.5, 4, 4.5, 5, 5.5, 6, 7, 8, 9, 10, 11, 12, 13 mm.Extensions :(1) 3in.qty.Adaptors: 1 qty.Thinner than conventional ratchets.Steel alloy construction.Lifetime limited warranty.Model 8925.