Description:14pcs Power Nut Driver Drill Bit Set 1/4 Inch Hex Shank Metric Socket Screw Set Specifications:Material: chrome vanadium steelSocket diameter:SAE:3/16"(4.76mm)、1/4"(6.35mm)、9/32"(7.14mm)、5/16"(7.93mm)、11/32"(8.73mm)、3/8"(9.53mm)、7/16"(11.11mm) (7 pcs)Metric: 5mm、 5.5 mm、 6mm、 7mm、 8mm、 10mm、 12mm (7 pcs)Quantity: 1 Set (14pcs) Features:1. Heat treated chrome vanadium steel、 Anti rust、 anti slip、 flexible.2. Anti rust、 anti slip、 flexible. Mounted on a black clip、 easy to use and storage.3. Applicable for installing in those hexagon tools、 such as pneumatic screwdriver、 electric screwdriver、 pneumatic drill、 electric drill、 pistol drill、 manual screwdriver、 etc.4. It's widely used in household DIY、 auto parts、 woodworking、 professional machine repairing、 etc. Package included:1 x Set (14pcs) Power Nut Driver Bits More Details: