Sprocket with fixed sprocket for chainsaw A : 13 mm B : 13.2 mm C : 66 mm D : 16 mm Pitch: 3/8LP Teeth: 6 Compatible with chainsaw models: 009 - 09 - 010 - 010AVEQ - 010AVQ - 110AV - 011AVEQ Code 360051 STIHL