1. Model: RN-2M, 4M, 6M, 7M, 8M, 10M, 12M, 16M, 20M, 25M 2. Configuration: Spiral bevel gears, bearing, housing, drive shaft 3. Material: Alloy steel spiral bevel gears is case-hardened, and it is of high Rigidity and wear resistance. Housing is made of cast iron. 4. Speed ratio: 1: 1, 1: 2, Special transmission ratios, we can make it follows Customers need, gear transmission efficiency up to 95% 5. Features: Right angle or 90 degree to change the transmission directions. 6. Transmission directions: 42 kinds of transmission directions for selections 7. Input Power: 0.014~335 KW 8. Input Revolutions: 10~1450 RPM(revolutions per minute)