This 56-piece auto tool kit is a compact emergency tool kit in zippered case for easy storage. The tools are heat treated and chrome plated to resist corrosion. Contains: Bit driver, tire gauge, 6 in. slip joint pliers, 3/8 in. drive ratchet handle, 3/8 in. drive 75 mm extension bar, 3/8 in. drive 21 mm spark-plug socket, 3/8 in. x 1/4 in. adapter, 10 cable ties, 8 metric hex keys: 1.5 mm, 2 mm, 2.5 mm, 3 mm, 4 mm, 5 mm, 5.5 mm, 6 mm, Four 3/8 in. drive sockets: 10 mm, 11 mm, 13 mm, 14 mm, Seven 1/4 in. drive sockets with holder: 4 mm, 5mm, 5.5 mm, 6 mm, 10 mm, 11 mm, 13 mm, 10-1 in. Bits: 3 mm, 4 mm, 5 mm, 6 mm, PH1, PH2, PH3, PZ1, PZ2, PZ3, Ten 1 in. Bits: T10, T15, T20, T25, T27, T30, 3mm, 4mm, 5mm, 6mm.