Ordering Description Product number Description: WeldSkill WS42N-3545-15 Conduit Liner (180-250A, 030-3/64, 15FT) Teflon, For Aluminum Wire Product number: 1420-1142 Description: Tweco 45TF-40-10 Conduit Liner (160A, 040-3/64, 10FT) Teflon, For Aluminum Wire Product number: 1400-1041 Description: Tweco 35TF-40-10 Conduit Liner (160A, 030-035, 10FT) Teflon, For Aluminum Wire Product number: 1400-1031