Pro Spur Sprocket / .325" Pitch, 7 TeethPack Size:1GB PA475-J7N, Herr 266-L7, Oregon 41725X, Poulan 530-069342, Ref No SPA475-27NNHC 085-5057, Rotary 1602Jonsered 2035, 2036, 2040 AND 2041; McCulloch 2000,2010,2012,2014,2016,2216,2316,2318,3000,3200,3210,3214,3216,3505,3516,3805,3818,40,500,835av,Mac 110-140, Mini Mac (all models), MM30, MS 1432, MS1435, MS1838, PM310, PM320, PM330,PM340; Partner 350, 365 and 405; Poulan 255, 295, 2600, 2500, 2750, 2775, 2900, 3050, 4620 AV, P600, PP295, PP210 and 2150Pitch: .325", Crank Diameter: 10 mm, Drum ID: 2.500 ", Teeth: 7, Bearing included