Description: 100% Brand New! High quality Easy to install and dismantle, not easy falling off when it was using. Anti rust, anti slip, high occlusion, tight and flexible. 1/4" Shank fits most powered corded or cordless drills. Power Nut Driver Set with Belt Clip, (7) SAE & (7) Metric. It is applicable for installing in those hexagon tools, such as pneumatic screwdriver, electric screwdriver, pneumatic drill, electric drill, pistol drill, manual screwdriver, etc. A great helper for household DIY, auto parts, woodworking, professional machine repairing, etc. Specification: Material: Tool steel 40CR Total length: 38mm Shank length: 20mm Shank diameter: 1/4 inch (6.35mm) Socket diameter: SAE(7pcs): 3/16", 1/4", 9/32, 5/16", 11/32", 3/8", 7/16"; Metric(7pcs): 5, 5.5, 6, 7, 8, 10, 12mm Weight: 212g Quantity: 1 Set (14pcs) Package included: 1 x 14pcs Power Nut Driver Drill Bits Set Please kindly Note: Items will be repackaged to save your shipping charge & to be environmentally friendly. We guaranty the item will be protected well in buble bags, No retail box!