CENATA YM8088 13-Piece 1/2" Drive Standard METRIC Heavy Duty Impact Socket Set are made of premium quality chrome molybdenum for superior strength and durability. This 6-point sockets are designed using the most up to date industrial specifications to deliver outstanding performance. Engineered specifically to stand up to the demands of both corded and cordless high torque impact drivers and wrenches. Coated with black phosphate to resist rust and corrosion. CENATA impact sockets meet or exceed ANSI performance standards.  Set features sizes: 10mm 11mm 12mm 13mm 14mm 15mm 16mm 17mm 18mm 19mm 21mm 22mm & 27mm High visibility laser-etched markings for easier socket selection.   Made of high strength Chrome Molybdenum steel for superior strength and durability.   Pin hole for use with pin and o-ring for secure socket retention   Black phosphate coated to resist rust and corrosion.   Meet or exceed ANSI performance standards.