This is a set of long magnetic nut drivers with a 1/4" Hex shank drive, designed for use with Impact Drill/Drivers. The set includes 8 metric drivers (6, 7, 8, 9, 10, 11, 12, and 13mm). Each driver features a fitted magnet to hold nuts and fixings in place for faster installations. They are constructed from hardened CR40 with a phosphate finish for durability and protection. The universal 1/4" Hex shank is compatible with quick-release systems. The drivers are 150mm in length and suitable for various applications including workshops, carpentry, machine repair, and DIY projects.