Moving magnets retain firmly the recessed bit or the thin shank screwdriver.

*Can be used with the bit or the screwdriver upto φ4mm
*Magnetize strongly the bit or the screwdriver
*Long coarse thread is also retained with the strong magnets
*Can magnetize and demagnetize
*Magnetic force remains even after the product is taken off from the bit
*Demagnetize the bit or screwdriver for prevention of adhesion of cutting chips