The basic type series refreshed!

*For air and cordless impact screwdrivers.
*Keyless type: Attach a drill by tightening it manually in the chuck.
*Made of glass-fiber containing nylon, resistant to wear and shocks.
*Can take out the drill that bit into the chuck by holding the release nut with a vise.
*Press-fit hexagon shank resistant to shank breakage.