zvd magnetic screwdriver bit holder 2 4 6 1 4 hex shank quick change drill bit extension kit 3 piece

includes 3 x 2, 4, 6 60mm 100mm 150mm drill bit holders to meet your different needs, compact and portable. 1 4 hex shank , quick change and release, compatible with all drills, 1 4 impact drivers and handheld screwdrivers. extension sets for all types of screwdriver bits, screwdriver bits. the syst