DOP32786XMCC Pro Spur sprocket 3/8" Pitch-7 Tooth Fits McCulloch Chain saws. Clutch Drum w/o bearing. Bearing # 11893 must be ordered separately. Fits McCulloch model1-10, 10-10, 155, 165, 210, 3-10, 355, 365, 375, 4-10, 5-10, 515, 6-10, 605, 610, 650, 655, 7-10, 700, 8-10, 805, 850, 855, 9-10, Pro Mac 55, Pro Mac 60, SP-70, Timber Bear Chainsaws.