The Engrenages HPC are equipped with a full-range of bevel gears. Those include the C43 steel, that contains 16 teeth, and module from 1.5 to 5. Second is the 60C40 steel, that has a 15 gleason-type of teeth and a module from 0.8 to 6. The third one is the 304L stainless steel that also has 15 teeth and a module from 0.8 to 2.5 (depending on ratio). Next is the moulded Nylon PA6 (economy range) which contains 16 teeth and from 1 to 3 module. Lastly, the delrin usiné, which has 15 teeth, module from 0.8 to 6. All of these have ratios from 1:1 to max. 4:1. These can be sold individually and still available with different models.