Hi, I have a couple of Tek Rigid Extenders FS. They are: 013-077 for the 667 (16 x 2 Blue Ribbon M & F) 013-034 for some letter series. (12 x 2 Blue Ribbon M & F) Either one $10 plus postage; Both $15 plus postage. Please repl\y off list. No PayPal Thanks, -John =================