GearWrench 1/2" Drive Deep Impact Metric Socket Set 12 Piece. Manufactured from Chrome Molybdenum Alloy Steel for exceptional strength and durability and have a manganese phosphate coating to resist corrosion. Features high visibility laser etched markings and Technology which reduces fastener rounding. Comes packaged in a Blow Mould Case. Set contains 6 Point Deep Impact Sockets sizes 8mm, 9mm, 10mm, 11mm, 12mm, 13mm, 14mm, 15mm, 16mm, 17mm, 18mm and 19mm.