Square Drive:1/4” Std. Bolt Size:1/4” Overall Length:133MM Air Inlet:1/4”PT Hose Size (I.D.):1/4”~6MM Air Pressure:90 PSI Max. Torque:25FT/LBS./33.9N.M. Net Weight:0.45KGS./0.99LBS Speed:260 RPM Packing:20SETS/10KGS/0.47’