It is made of S2 alloy steel materialoverall heating treatmenthardness of plusmn; HRC58high torque and good toughnesssturdy and durable.
Double sided cross head designfor extending the bit's serving life.
The surface is processed by special blue treatmentgood-lookingand not easy to rust.
Surface printed with specificationseasy to choose the one you need.
The magnetic head of the bit is convenient to use and not slip.
Wide application rangefit most electric screwdriversdrills or other power tool.
Material S2 alloy steel
Shank diameter 6.3mm / 0.25inch
Length 65mm / 2.56inch
Durable Material Made of S2 alloy steel materialoverall heating treatmenthardness of