Sprocket with fixed sprocket for OLEO-MAC chain saw A : 13 mm B : 13,2 mm C : 68,2 mm D : 17,2 mm Pitch: 3/8 LP Teeth: 6 Compatible with chain saw models: OLEO-MAC 931 - 932 ZENOAH G 250 G 250 TS G 280 G 300 G 300 T G 3000 G 310 G 320 AVS G 3200 G 3300 Code: 360056