these gears are available only in brass
the ratio should be kept low
But why settle for a knock-off when you can have the original - from Boston Gear
Click here for spec sheets: SUCNPT Spec Sheet
Y64112 Brass Spur Gear 1-3/16" Diameter these gears are available onlyBoston Gear spur gears are designed to transmit motion and power between parallel shafts. The different styles offered include spur, gear rack, pinion wire, stem pinions, and internal gears, and most come with a selection of bore diameters, keyways, and setscrews to accommodate a wide variety of application requirements. They are available in plastic, non metallic, brass, steel, and cast iron and are manufactured in a variety of styles, including