Features:1.Anti Slip Screw ExtractorStriped Head has anti slip function.It can remove all common sizes of damaged or peeled screws.2.Strong Magnetic HeadThe screwdriver bits has strong magnetism, it can catch the screw easily and quickly, and fix it to prevent the drill bit from slipping and improve the work efficiency.3.High Quality MaterialThese screwdriver bits are made of high quality S2 material, adopt advanced alloy steel, inductive hardening; It has strong wear resistance, anti-impact, tough and durable4.Easy To CarryLight weight, small size and compact design. You can take it with you and use it for home, telecommunications, car or mechanical maintenance work.5.Wide CompatibilitySuitable for general sizes and all kinds of broken bits. Universal chuck that suitable for most electric hand drills. Remove broken screws or drill holes in one step. Notice:Actual color may be slightly different from the image due to different monitor and light effectPlease allow 1-3cm deviation due to manual measurementDescription:Material: alloy steelSize:Total length:25/50/65/70/90/170/150mmHandle Diameter:6.35mm Package List:1/2 set x Drill Bit7pcs