3/8" pitch, 7 teeth Sprocket

For Homelite XL-12 after serial # 1735838, XL-Auto, Super XL Auto, XL-800, XL-850, XL-870, XL-875, XL-901, XL-903, XL-904, XL-913, XL-914, XL-922, XL-924, VI-944, VI-955, Super SL-925(W/6 Shoe Clutch), 450, 450W, 450HG, 450SL, 550