Screw-On Multi-Flame Oxy-Propane/Natural Gas Tip Genuine Smith treaded heating tip end for AT61 threaded tube or AT600 series twin-flame tips. Suitable for use with Natural gas and LP fuel gases ONLY. Free standard ground shipping within contiguous U.S. Availability: Usually ships the next business day. 13715Mfg Industrial Price: $60.00Cyberweld Price: $32.00 All prices shown are in U.S. Dollars The Cyberweld® name, logo and the slogan "Weld with your mouse"® are registered service marks of: J.W. Goodliffe & Son, Inc. 1900 E. Elizabeth Ave. P.O. Box 4370 Linden, NJ 07036 (800) 419-0580 FAX (908) 486-9366 Phone answered live M-F 8:00am to 4:30pm EST © 2000 - 2009. All rights reserved.