73mm),3/8(9.76mm),1/4(6. Easy to install on the screwdriver handle. The specifications of the bits inlcude 3/16(4.5 mm,6mm,7mm,8mm,10mm,12 93mm), 11/32(8. Widely used in household DIY, woodworking, auto parts, professional machine repairing, etc.35mm),9/32(7. ).
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