The magnetic drive guide features optimized shockzones that absorb peak torque and prevent them from breaking. 

The drive guide has a chrome steel sleeve that slides over the fastener for improved stability.

Eliminates wobbling and slipping while driving screws.

Bit tip holder is magnetic so screws won't fall off.

Barrel-shaped, self-retracting guide sleeve helps users drill without touching screw.

Telescopic from 120mm to 200mm. 
1/4" hex end fits 10 screws