This set of magnetic nut drivers/setters features a 1/4" Hex shank drive, designed for efficiently driving nuts, bolts, screws, and other fixings with a hexagon head. The fitted magnet securely holds the nut in place, facilitating quicker installations. The 1/4" (6.35mm) hex shank is compatible with Impact Drill/Drivers featuring quick-release systems or suitable chucks. Constructed from hardened 40CR with a phosphate finish for enhanced strength and protection, this set includes 8 Metric drivers (6, 7, 8, 10, 11, 12, 13, and 14mm) and 7 SAE drivers (1/4, 9/32, 5/16, 3/8, 7/16, 1/2, and 9/16"). The magnetic insert ensures nuts stay in place during installation. Suitable for workshops, carpentry, machine repair, and DIY projects.