This 101-Piece mechanics tool kit contains all the sockets, wrenches and pliers needed for small engine and other mechanical repairs. Tools are heat treated and chrome plated to resist corrosion. The kit contains: Eight SAE Hex Keys, Twelve 3/8 in. Drive Sockets: 3/8 in., 7/16 in., 1/2 in., 9/16 in., 5/8 in., 11/16 in., 12 mm, 13 mm, 14 mm, 15 mm, 16 mm, 17 mm, Twenty 1/4 in. Drive Sockets: 5/32 in., 3/16 in., 7/32 in., 1/4 in., 9/32 in. 5/16 in., 3/8 in., 7/16 in., 1/2 in., 4 mm, 5 mm, 6 mm, 7 mm, 8 mm, 9 mm, 10 mm, 11 mm, 12 mm, 13 mm, 14 mm, Thirty-Two CRV Bits, Tire Gauge, 30 ft. Electrical Tape, Voltage Tester, 7 in. Brass Wire Brush, 3/8 in. x 1/4 in. Adaptor, 3/8 in. Drive 3 in. Extension, 13/16 in. Sparkplug Socket, 5/8 in. Sparkplug Socket, 3/8 in. Drive Ratchet Handle, Eight Metric Hex Keys, Four Metric Combination Wrenches, Four SAE Combination Wrenches, 6 in. Diagonal Pliers, Bit Driver, 6 in. Long Nose Pliers, 6 in. Adjustable Wrench.