Features Bearing with noise reduction: precise screwdriver bearings do not prick, a rotation time of up to 1 minute Hard material: precise screwdriver made of Mg-Si alloys, hardness and wear resistance are 300% higher than ordinary material High temperature hardening: on the basis of S2 steel, alloy elements such as chrome, molybdenum, tungsten and vanadium are added to the special screwdriver bit head to improve hardenability, toughness and heat resistance Magnetic impermeability The magnetic screwdriver is equipped with a strong magnet, the magnetic bit head will no longer fade Total 6 pieces: the package contains a total of 6 precise screwdrivers, which are enough for replacement and use, and are very practical Specification: Item Type:Precise Screwdriver Set Material: S2 steel, Mg-Si alloys. Specification: tri y0.6; pentalobe 0.8; cross 1.2; cross 1.5; cheeky recess 2.5; hex T1 Package list: 6 x precision screwdrivers Package List 6 x Accurate Screwdriver