High durability -The Gear Box body made of high quality aluminium alloy, non-rusting, Superior Efficciency & Low noise, because of precise machining.Worm shaft made of case hardened steel for high strength & efficiency, ground machining for excellent finishing. Flexible mounting, wide variety of mounting options,High Reduction Ratio, Efficient radiator, Elegant appearence, Lubricated for life and maintanance free operation