3 in 1 Super Screwdriver

Go Through + Impact + Standard   

  Features: 

* Use for: Normal Screw, Cover Screw, Rust Screw, Damage Screw.
* 3 in 1 Function: Go Through + Impact + Standard
* SUPER SCREWDRIVER could lock the locking ring & turn to general S/D mode for work as normal screwdriver.
* Locking ring other way using w/hammer to punch grip end & make auto-screw release.

   Material:  

* Chrome- Molybdenum-Vanadium Alloy Steel
* W/phosphate & phosphate zinc finish