Sipery Hex Head Allen Wrench Drill Bits 532 Inch Hex Bit H4 S2 Steel Magnetic 14 Impact Driver Bits 3 Inch Long 10 Pack

Specification 10Pcs allen wrench screwdriver bits H4 14 inch Hex shank 4mm 016inch hex head size 75mm3inch long Material Hex head drill bit made of sturdy S2 steel hex head bit have proper hardness and torsion not easy to break and wear Magnetizable hex drill bits The weak magnetic screwdriver bit can be magnetized with magnet or strong magnetic bits Easy to Use Hex screwdriver bit have magnetic it can be firmly fixed on screwdrivers and keep hexagon screws stuck to them can improve your work efficiency Multi Purpose Allen screwdriver bit fit for electric screwdrivershand screwdrivers electric drills air drills cordless drills impact drivers and so forth.