The tools you need to get it done-whether drilling, driving, grinding, cutting, sanding, spraying or hammering, Sunex Tools Air tools supply you with power, flexibility and exceptional value. When you need performance, you need Sunex Tools Air tools. Specifications: square drive 3/8, max. torque (ft. lbs. @90psi) 75, working torque (ft. lbs.) 30-60 , free speed (rpm) @ 90psi 10,000, air inlet 1/4, recommended air pressure 90, avg. air consumption 4, sound level 84, length 5, weight 2.8