This 79-Piece multi-purpose tool kit contains all the tools necessary for mechanical and household projects. Tools are heat treated and chrome plated to resist corrosion. Contains: Ten 1 in. Bits: 1/8 in., 5/32 in., 3/16 in., 1/4 in., PH1, PH2, PH3, PZ1, PZ2, PZ3, Ten 1 in. Bits: T10, T15, T20, T25, T27, T30, 1/8 in., 5/32 in., 3/16 in., 1/4 in., Eight SAE Hex Keys: 1/16 in., 5/64 in., 3/32 in., 1/8 in., 5/32 in., 3/16 in., 7/32 in., 1/4 in., Eight Metric Hex Keys: 1.5 mm, 2 mm, 2.5 mm, 3 mm, 4 mm, 5 mm, 5.5 mm, 6 mm, 6 in. Long Nose Pliers, 6 in. Adjustable Wrench, 8 oz. Claw Hammer, 9 mm Utility Knife, 12 ft. (3.5 m) Tape Measure, Ratcheting Bit Driver, 3/8 in. Drive Ratchet Handle, 3/8 in. Drive 3 in. Extension Bar, 3/8 in. x 1/4 in. Drive Adapter, Nine 3/8 in. Drive Sockets: 3/8 in., 7/16 in., 1/2 in., 9/16 in., 5/8 in., 3/4 in., 14 mm, 15 mm, 16 mm, Twenty-five 1/4 in. Drive Sockets: 4 mm, 4.5 mm, 5 mm, 5.5 mm, 6 mm, 6.5 mm, 7 mm, 8 mm, 9 mm, 10 mm, 11 mm, 12 mm, 13 mm, 14 mm, 5/32 in., 3/16 in., 7/32 in., 1/4 in., 9/32 in., 5/16 in., 11/32 in., 3/8 in., 13/32 in., 7/16 in., 1/2 in.