Features: Mechanic's tool set; sockets stay locked on until release button is pressed; magnetic bit driver made from carbon steel and an ergonomic cushion grip designed to decrease pressure points and allow increased torque transfer. Set includes (1) 3/8" drive ratchet, (1) 3/8" drive 3" extension bar, (1) 3/8" drive 6" extension bar, (1) 3/8" drive 5/8" spark plug socket, (1) 3/8" drive 13/16" spark plug socket, (9) 3/8" drive 12 point SAE sockets one each of 1/4", 5/16", 3/8", 7/16", 1/2", 9/16", 5/8", 11/16" and 3/4", (14) 3/8" drive 12 point metric sockets one each of 6mm, 7mm, 8mm, 9mm, 10mm, 11mm, 12mm, 13mm, 14mm, 15mm, 16mm, 17mm , 18mm and 19mm, (7) combination wrenches SAE one each of 1/4", 5/16", 3/8", 7/16", 1/2", 9/16" and 5/8", (7) combination wrenches metric one each of 6mm, 8mm, 10mm, 12mm, 13mm, 14mm and 15mm, (1) magnetic bit driver, (44) bits one each of slotted 3mm, 4mm, 5mm, 6mm, 7mm, 3/32", 1/8", 5/32", 3/16", 7/32" and 1/4", Pozidriv #0, #1 and #3, Phillips #1,#2 and #3, Square 1, 2 and 3, Torx 5, 7, 8, 10, 15, 20, 25, 27, 30 and 40, Hex 3,4, 5, 6, 7, 5/32", 3/16" and 7/32", plus (4) bit holders, (13) hex key wrench SAE chrome plated one each of 0.036" and 0.05".