General description Comprehensive range of frequently used hand tools for professional mechanics and serious DIY experts. This 100-piece mechanic's tool kit includes 1/4" and 1/2" square drive 90-tooth offset comfort grip ratchet wrenches, along with various sockets, spanners, screwdrivers, and more, all supplied in a tough, durable storage case with metal catches. Technical specifications Drive: 1/4" & 1/2" Sq Drive Standard Sockets: 1/4" Sq Drive; 4, 5, 6, 7, 8, 9, 10, 11, 12, 13mm; 1/2" Sq Drive; 10, 11, 12, 13, 14, 15, 17, 19, 22, 24, 27, 30, 32mm Deep Sockets: 1/4" Sq Drive; 9, 10, 11, 12, 13mm 6mm Drive Bits: Slotted - 4, 5.5, 7mm; Phillips - #1, #2, #3; Hex - 3, 4, 5, 6mm; TRX Star - T15, T20, T30 Accessories: 1/4" & 1/2" Sq Drive Ratchets, 10" Water Pump Pliers, Wire Cutters, 12oz Ball Pein Hammer, 7" Combination Pliers, Terminals (x26), Circuit Tester Hex Keys: 1.5, 2, 2.5mm Combination Spanners: 8, 10, 11, 12, 13, 14, 15, 17, 19mm Screwdrivers: Slotted; 5 x 38mm, 6mm x