14PCS Hexagon Nut Driver Drill Bit Socket Screwdriver Wrench Set Drill Bit Adapter for Electric Screwdriver Handle Tool
Use: Wood Drilling
Product size: 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 0.51 inch
Shank diameter: across flats 6.35mm/0.25inch hex shank
shank size :1/4inch
Inner Hex:5mm-13mm
Material: Steel
9Pcs(5/6/7/8/9/10/11/12/13mm)
14Pcs(3/16,1/4,9/32,5/16,11/32,3/8,7/16,5mm,5.5 mm,6mm,7mm,8mm,10mm,12mm)