Hi Arthur Wolf, Nice to know you. I'm Carter from Better Molds in China. We are a professional manufacturer specialized in CNC machined parts and molds since 1993. We have abundant experience in making various machined parts. For more information of us, please visit www.better-molds.com. We are very interested in your project, hope to cooperate with you. Sincerely yours, Carter Sales Departmby carter-molder - Plastic RepRap Parts for Sale