14pcs Metric Drill Bit Driver Nut Tools 5mm-12mm Screw Socket Wrench Hex Drill Bits, fits most corded or cordless powered drills, strong inner hexagon sleeve. This nut magnetic tools without. hex-shank Length: approx. 2.2cm, rod diameter: 6.35 mm. Key bit power (inch): 3/16 ", 1/4", 9/32, 5/16 ", 11/32", 3/8 ", 7/16"; Powerful bit nut drivers (metric): 5mm, 5.5mm, 6mm, 7mm, 8mm, 10mm, 12mm. Heat treated chrome vanadium steel, rust proof, slip resistant, flexible. Rustproof, non-slip, flexible. Mounted on a black clip, easy to use and storage. Applicable for installation in these parts, tools such as pneumatic screwdriver, electric screwdriver, pneumatic drill, electric drill, drill gun, manual screwdriver, etc. It is widely used in DIY household, auto parts, woodworking, professional machine repairing, etc. Specification: Material: chrome vanadium steel Shank length: about 2.2 cm. Shank diameter: 6.35 mm Socket diameter: SAE: 3/16 ", 1/4", 9/32, 5/16 ", 11/32", 3/8 ", 7/16" Measure: 5mm, 5.5mm, 6mm, 7mm, 8mm, 10mm, 12mm Color: as picture shows quantity: 1 set (14pcs) Package contents: 1 x set of drivers Note: this does not include other things, the color is based on the first picture and other pictures is not show the effect Due to the differences between different monitors, the picture may not reflect the actual color of the item. Due to manual measurement. Please allow deviation. Thank you!