1.Model: ssw40 2. Applicable drill pipes and drill collars size: 3 1/2~9 1/2 in 3.It is mainly composed of two symmetrical components, each of which drives the gear transmission through air motor and drives the wheel rotation. 4. The spinning wrench is a kind of wheel-type spinning tool, 5. The spinning wrench boasts the advantages of large speed, no slippery and no damage to drill pipe, 6.Can be used in oil and mud environment, .With the advange of safety and reliability. 7. Brake torque : 1100ft-lbs(1490 n.M) and the in and out spinning speeds are large 8. During the tripping operation, ssw40 wrench substitutes the spinning rope (spinning chain), so as to make the spinning operation safe and reliable, reduce the labor intensity of drillers, and promote the tripping speed 9. The air motor in the spinner can rotate clockwise and anticlockwise, which makes coring and treatment of drilling troubles more convenient. -