Worm Gearbox, Worm Speed Reducer, Worm Gear Units Features: 1) High quality aluminum alloy die cast gearbox 2) High accuracy worm gear and worm shaft 3) Less noise and lower temperature increase 4) Easy mounting and linking, high efficiency 5) Power: 0.06-15kW 6) Output torque: 2.7-1,760N.m 7) Transmission rate: 5-100 Gearing Arrangement: Worm Input Speed: 1400rpm Output Speed: From 186 to 23.3RPM Place of Origin: Zhejiang China Brand Name: JX Model Number: NMRV Inner packing: Carton Outer packing: Wooden case You also can order color for silver gray.