Anaheim made waste disposal unit mount ring / lock ring. Fits numerous types and models including Commodore, Commander, Bonecrusher, WasteMaid, Wasteking, Zanussi, Onyx, FoBe, Franke, etc. This is the mount ring that holds the waste disposal unit onto the sink outlet. Secures with a quarter turn lock ring. We advise the replacement of the mount ring rubber seal as well.