Made by chrome vanadium steel (CR-V), heat treated high hardness, wear resistance, durable and long service life
Use for screwdriver bits, drill, batch head, screwdriver head conversion and other tools for the transfer and quick change
Interface has a locking mechanism, built-have magnetic, automatically pop up batch head.Note: Only the bottom of the hole part is magnetic, the hex shank is NOT magnetic! Only for single head drill
1/4" quick-change hex shanks fit all power drills, impact drivers and hand-held drivers, allowing you to bring your bit extensions anywhere to get any job done
Suitable for power drill, screwdriver, batch head,handheld screwdriver and other to transfer.
Extend all kinds of screwdriver bits, screwdriver head conversion uses;
Fast, fastening; durable, quick change with high efficiency, Strong magnetism, limit the screwdriver's position and adjustable
Material: Chrome Vanadium Steel