9pcs Hex Screwdriver Bit Set Rustproof Steel Magnetic Hd Hex Bits 1/4 Inch Hex Shank

Professional Manufacturing: Hex screwdriver bit set ftures magnetic hd, professional manufacturing, fine workmanship, high . Function: ch can be accurately locked screws, no damage to the screw and the screwdriver hd, convenient for using. High Quality Material: end hex screwdriver bit set is made of high quality steel material, high hardness, sturdy and . Item Type: Hex Screwdriver Bit Material: steel  plating anti rust Hd Type:   End System: Shank Dia: Approx. 1/4in / 6.35mm Hardness: About 56-58 HRC Applicable Screw: H1.5/2.0/2.5/3.0/4.0/5.0/6.0/8.0/10(mm) Characteristic: High , , magnetic, multipurpose, magnetic bits, can sily hold the screws during installation Fitment: fit for electric screwdriver, manual screwdriver, electric drill,  screwdriver and other tools.