Unused Tokyo Garasu Kikai (TGK) 995-54-42-41 Worthef Experimental Gas Burner with Small Flame Tube, for City Gas 12A 13A, Laboratory Equipment, Experimental Supplies, Experimental Research Burner, Gas Burner Even if the main flame goes out, the pilot light remains, making re-ignition convenient. Improved to allow opening, closing, and adjustment via a valve. Fine adjustment of the small flame size is possible. Specifications: Body pipe diameter: 15Φmm, Tip pipe diameter: 18Φmm, Total height: 150Hmm, Outer diameter: 90Φmm Unused, with damage to the outer box.