Stainless Steel Worm Tin Bronze Worm Gear Wear 1:90 Reduction Ratio Large Reduction Ratio

Worm stainless steel worm gear tin bronze Worm tooth number 1 worm gear tooth number 90 Worm gear spindle 93 Tooth depth 2.25 Buy it back and make a simple stand or box then you can use it Colour:gold Material:copper Large diameter: 50mm Package Contents: 1 x Worm 1 x turbine Only the above package content other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.