Ultimate Suppliers offers a wide range of high quality set collars in a spectrum of different materials. We offer; carbon steel set collars, stainless steel set collars, aluminum set collars, UHMW set collars, Nylon set collars, Acetal set collars, PTFE set collars, Phenolic set collars, zinc plated set collars, black oxide coated set collars,and specialty MTO set collars. For inquires on set collars or general questions please contact us.