Sprocket with fixed sprocket for JONSERED chainsaws A : 14 mm B : 12,7 mm C : 63,5 mm D : 16,4 mm Pitch: 3/8LP Teeth: 6 Compatible with chainsaw models: 2036 - 2040 Article No. 360034 Roller sprocket internal diameter: 10,60 mm Sprocket bore diameter: 13,70 mm Sprocket outer diameter: 66,80 mm Sprocket internal diameter: 63 mm