Description:
The extension holder is designed for 1/4" hex shank bits, can be used for pneumatic screw drivers, electric drills, electric screwdrivers. It is strong magnetic and anti-rust.

Features:
Designed for 1/4" hex shank bits. Good concentricity. 
Extra-strength magnet holds bits securely. 
The surface is phosphatized to prevent rust. 
High quality connection rod, magnetic link rod. 
Suitable for pneumatic screw drivers, electric drills, electric screwdrivers, screwdrivers. 

Specification:
Materiel: Carbon steel
Length: About 60 mm / 2.36"
Hexagonal Size: 1/4"
Color: Grey
Quantity: 10 pcs per bag
Weight: 202g(approx.)

Package Included:
10 x Screwdriver Bit Holder