ITEM NAME:20 Nut Drive Drill Kits 1/4 inch Hex Nut Drive Main Kit for Quick Change Ch Q7X4 20 Nut Drive Drill Kits 1/4 inch Hex Nut Drive Main Kit for Quick Change Ch Q7X4 PROFESSION & DURABILITY - Made from the forged and hard steel, the hardness can reach 56HRC; With the corrosion-resistant sandblasted finish to make it more durable MULTI-PURPOSE - Universal 1/4 inch hex shanks fit quick-change and lock firmly in standard chucks, suitable for any drill, driver and screw-gun FULL RANGES OF SIZES - 20 PCS Power Nut Driver Bits (Inch): 5/32, 3/16, 7/32, 1/4, 9/32, 5/16, 11/32, 3/8, 7/16, 1/2 in; 10-PCS Power Nut Driver Bits (Metric): 4mm, 5mm, 5.5mm, 6mm, 7mm, 8mm, 9mm, 10mm, 11mm, 12mm WIDE APPLICATION - It's widely used in household DIY, auto parts, woodworking, professional machine repairing, etc Colour: Black Material: steel Package Contents: 20* Hexagonal wind batch sleeve.20 Hexagonal wind batch sleeve. Colour: Black.
