Input & Output end: Chromium-molybdenum alloy steel construction provides exceptional strength and durability.
Main body: Electroplating finished; good for anti-corrosion and anti abrasion. Planetary gear mechanism, triple planetary-gear-carriers brings high load capacity with high ratio 135:1.
Reaction Arm: The movable reaction arm is suit for different working place.
Safety device: Anti-backlash mechanism for safety concern and comfortable operation.