【Wide Compatibility】Suitable for different sizes and all kinds of bits chuck that suitable for most electric hand drills Remove screws or drill holes in step 【High Material】These screwdriver bits are, adopt advanced alloy steel, inductive hardening; It has strong wear resistance, anti-impact, for tough and 【Strong Head】The screwdriver bits has strong magnetism, it can catch the screw easily and quickly, and fix it to the drill bit from slipping and improve the work efficiency 【Anti Slip Screw Extractor】Striped for Head has anti slip function.It can remove all common sizes of damaged or peeled screws 【Easy To Carry】Light weight, small size and compact design You can take it with you and use it for home, telecommunications, car or mechanical maintenance work, Manufacturer: HZBB