Pfister takes pride in every single piece, part, and product they develop. Helping them maintain a their reputation and credibility. They take that same pride in creating replacement parts to perform the way they were originally intended too. Rather its for their faucets, showers, or bidets, you can rely on its quality to perform and last. The Pfister 931-8710 Is a Genuine replacement Lock Nut and Spout Shank for Pfister Ashfield RT6 Roman Tub Spout This individual Replacement Part does not have a certain finish.