Mighty Seven (NC-4611QNC Mighty Quiet 3/8" Drive and 1/2" Drive Mini Impact Wrench, (Set of Two Wrenches) Exceptional value kit with a 3/8" and 1/2" drive impact tools to cover every shop application; Exclusive m7 Jumbo Hammer Impact mechanism for high torque; Exceptionally lightweight and with an 85 dBA sound pressure rating Both tools are Four Star rated for power and endurance in professional applications 3/8" drive tool has a compact design at only 3.3 pounds, for use in the most confined work locations; 1/2" drive tool has a compact design at only 3.5 pounds, is great for most confined work locations Powerful performance up to 350 foot/pounds capacity with a 3/8" drive and 500 foot/pounds capacity with a 1/2" drive Complete accessory product spectrum for professional automotive and industrial applications