Features:
●Use of S2 alloy steel material， super-hardness.
●Vacuum heat treatment， long service life.
●Good head bonding， reduce the screws injury. 
●With strong magnetic， easy to use.
 
Specifications:
Material: S2 alloy steel
External hex shank: 1/4 inch (6.35mm)
Total length: 150mm (6 inch )
Approved pole diameter: 6mm
 
Package included:
1x Screw driver