Pro Spur Sprocket / 3/8" LP Pitch, 6 TeethPack Size:1Carlton N6-PO-925-SS, GB PO529-R6N, Herr B224M6, Poulan 952-048078, Poulan 530-069166, Poulan 530-048078, Ref No SPO529-16NLaser 42043, NHC 085-0897, Oregon 57-142, Oregon 28004, Prime Line 7-05115, Quality 500-B224M6, Rotary 4359, Rotary 1613, Sandvik PO146R6, Stens 085-089, Tilton TB224M6Dolmar 101; Poulan 180, 205, 225, 235, 1800, 2000, 2100, 2300, 2400, 20, Micro 25 and Micro S25; Sears 35093 THRU 35802 (MANUFACTURED BY POULAN)Pitch: 3/8" LP, Crank Diameter: 13/32 ", Drum ID: 2.493 ", Teeth: 6, Bearing included