Internal Regulator, Controlled Single Speed Bi-Directional, 3/4 " Square Drive Standard Torque Ranges: From 90 – 2000 Nm.. Direction: Bi-directional . Free Speed - rpm: 125 Square Drive - in: 3/4 Torque Range - ft lbs: 147-735 Torque Range - Nm: 200-1000 Weight - lb: 10.1