Profax brand 2 roll drive kits will fit the following Lincoln brand machines: Wirematic 250, 255, LN-7, LN-7 GMA, LN-742, LN-742H, LN-9 GMA, LN-9F GMA, LN-22, LN-23P, & LN-25. For .045 – .052″ cored wire sizes Kit consists of two drive rolls, one outlet guide with insert, and one inlet guide
