One case, every nut driver you need: 34 impact grade magnetic nut drivers, socket adapters and specialty tools for HVAC, roofing, automotive and shop work. Permanent magnetic tips lock bolts tight for one handed operation overhead, and deep drivers fit long bolts for roofing, auto and HVAC service. Adapters convert your impact driver to 1/4 in, 3/8 in and 1/2 in drives for high torque applications. The dedicated wing nut driver protects hands on hurricane shutters and hook bolts. Black phosphate coated alloy steel resists corrosion under heavy use, and the labeled shockproof case keeps every piece organized for mobile mechanics and on site work.