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. Store them in the included blow molded case with handle. Contains: Ten 1" Bits (1/8", 5/32", 3/16", 1/4", PH1, PH2, PH3, PZ1, PZ2, PZ3), Ten 1" Bits (T10, T15, T20, T25, T27, T30, 1/8", 5/32", 3/16", 1/4"), Eight SAE Hex Keys (1/16", 5/64", 3/32", 1/8", 5/32", 3/16", 7/32", 1/4"), Eight Metric Hex Keys (1.5mm, 2mm, 2.5mm, 3mm, 4mm, 5mm, 5.5mm, 6mm), 6" Long Nose Pliers, 6" Adjustable Wrench, 8 oz. Claw Hammer, 9mm Utility Knife, 12 ft. (3.5m) Tape Measure, Ratcheting Bit Driver, 3/8" Drive Ratchet Handle, 3/8" Drive 3" Extension Bar, 3/8" x 1/4" Drive Adapter, Nine 3/8" Drive Sockets (3/8", 7/16", 1/2", 9/16", 5/8", 3/4", 14mm, 15mm, 16mm), Twenty-five 1/4" Drive Sockets (4mm, 4.5mm, 5mm, 5.5mm, 6mm, 6.5mm, 7mm, 8mm, 9mm, 10mm, 11mm, 12mm, 13mm, 14mm, 5/32", 3/16", 7/32", 1/4", 9/32", 5/16", 11/32", 3/8", 13/32", 7/16", 1/2").