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Hi All, I am new to the forum and trying to locate someone that has experience with fabricating the proprietary Robertshaw UTS Double Bead end on 5/16", ~0.035" aluminum tubing. My goal is to repair a GE Monogram gas cooktop that was damaged in disassembly. GE no longer supplies the replacement center supply tube P/N WB28X10033. I have searched high and low for new or used center and other position supply tubes with the double bead end that I could use directly or modify and extend to produce a suitable replacement. I have been told by an older local appliance repair technician that he once owned the special hydraulic service tool that formed the Robertshaw double bead end on raw tubing, so I know that such a thing existed at one time. Unfortunately, I can not find any information on the tool and have not been able to locate one anywhere. Robertshaw and GE are of zero help. My ask is if anyone out there has any knowledge of such a tool, either the manufacturer and part number, or has a tool they would consider selling or renting, or could fabricate ends on a length of 5/6" tubing for a fee. My fall back is to make a custom rolling die forming tool but my preference would be to find either a replacement supply tube or a functional Robershaw field service double bead forming tool. Any leads or help would be greatly appreciated. I realize that the effort and expense of repairing and restoring this cooktop no doubt exceeds it's value. The cooktop has aesthetic and sentimental value to my wife, so its important to me. Thanks in advance for reading and for any leads or suggestions. Veem