Product Features:Size number 1 (1-3-GPN)Heavy and medium duty Victor compatible natural gas/propane cutting tipsHeavy-duty tips fit Forney Industries item number 1711Medium duty tips fit Forney Industries item numbers 1702, 1705, 1707 and 1753 torch kitsFor oxygen and propane gas service onlyCuts up to 3/4 inch (19 millimeters) mild steel thickness