Photos of factory change and compound gears needed to allow a Monarch EE to cut metric threads. First photo shows completw set of gears along with factory information plate. Set includes 8 change gears, information plate amd 1 compound gear. Change gears are: 45T 50T 55T 60T 65T 70T 75T, and 80T The compound gear is: 127/60T The change gears are 32 pitch with a 14.5 degree pressure angle. The 60 tooth half of the compound gear fits the standard monarch quick change gears that have 16 pitch with a 14.5 degree pressure angle.