... 90 VS,Ratio:7.5 to 100 Small NRV Gear Reducer with VS Worm Extension Shaft NRV025 VS to ... AlloyWorm Gear-Copper-10-3#Worm-20CrMn Ti with carburizing and quenching, surface harness is 56-62HRCShaft ... midpoint of output shaft.When the reducer is with double output shafts,the resultant radial power at ... order, our team will confirm with you about color, package,method of payment and delivery, then a ...