Hexagonal Nut Socket Set | Hex Power Nut Driver Set | 1/4 Hex Shank Power Nut Driver Drill Bit Set

Description: Heat Treated Chrome Vanadium Steel (CR-V) Nut Driver Bits Extra Hardness Good Wear Rust and Break Resistance Durable and Long Service Life. Specification: Material: Steel/Chrome Vanadium Steel Color: grey silver Shank diameter: 6.35mm/0.25inch Overall length: 38mm/1.5inch Shank length: 20mm/0.79inch Size: 9 Pieces:5 6 7 8 9 10 11 12 13mm/0.19 0.23 0.27 0.31 0.35 0.39 0.43 0.47 0.51inch 14 Pieces: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) 5mm 5.5mm 6mm 7mm 8mm 10mm 12mm Packing list: 14*Hexagonal Nut Socket（5-12mm） or 9*Hexagonal Nut Socket（5-13mm）