This 1/2" Drive Master Impact Hex Driver Set, it is made of Drop Forged, Heat Treated Heavy Duty CR-MO Steel with a Corrosion-Resistant Black Phosphate Finish. The High-contrast size marking is permanently laser and easy to read, even in low light.

Brand: Focus tool
Manufacturer Part Number: CS088
Drive Size: 1/2in.
Drive Type: Hex/Allen
Number of Pieces: 20
Set or Single Item: Set
Socket Type: Impact
Size: 6mm, 7mm, 8mm, 10mm, 12mm, 14mm, 15mm, 17mm, 18mm, 19mm, 1/4in., 9/32in., 5/16in., 3/8in., 7/16in., 1/2in., 9/16in., 5/8in., 11/16in., 3/4in.