Straight Bevel Gear 2:1 Ratio 45#Steel 90 Degree 1 1.5 2 3 Mod Transmission Gear

1.5Mod 15T+30T / 1.5Mod 16T+32T / 1.5Mod 18T+36T / 1.5Mod 20T+40T. 2.5Mod 15T+30T / 2.5Mod 16T+32T /2.5Mod 18T+36T / 2.5Mod 20T+40T. Straight bevel gears are gears that transmit power and rotate on two intersecting axes.

eBay