The Matair Heavy-Duty Industrial Impact Wrench features a 20mm (3/4") square drive and twin-hammer impact mechanism for balanced, reliable torque delivery in demanding industrial environments. With a free speed of 6500 RPM and capability to handle bolts up to 25mm, it delivers more power per pound than pin clutch systems while remaining sensitive to air pressure regulation for precision work. Ideal for transport vehicle maintenance, heavy equipment assembly, and general industrial applications where durability and performance are essential.