This gear set reduces the feed rate for turning from 0.0039″ per spindle revolution to 0.0026″ per revolution. Slowing the feed rate can help improve the surface finish.
They replace the two 80 tooth gears and the lower 20 tooth gear.
Made from PETG filament (polyethylene terephthalate glycol) which is extremely durable, impact resistant, and chemical resistant.
