... and linking, high efficiency 2) High accuracy worm gear and worm shaft 3) Less noise and lower temperature inc ... worm reducer,worm gear reducer,small worm gear reducer:speed ratio:7.5,10,15, ... 040,050,063,075,090,110,130,1502.low eight,small size can save place for mounting3.high quality aluminum ... ,durable and strong adaptibility.8.high quality worm gear,shaft and flange