Mounts into gas tank with 1.1" (28mm) diameter The length of the float arm：2-1/8" (from the pivot to the end of the round float) Fits Models: Launtop LT950, ETQ TG1200, Amico AG1500, All Power APG-3004A, Segma GEN1250, Blue Max GEN1250, Diesel Pro Sparks 1250, Harbor Freight 900, Fueln 1250, MegaPower 1000, Coleman CM04101, New Steele GG-100, King Canada Tools KCG-950G, Domiya DM 650CX, DM950CX & DM950DC. For 2HP 63CC 2-Stroke Gas Generator