Sturdy and durable, long service life. The sprocket will rotate more times per full chain rotation around the bar making it easier to pull the chain through tough material or around a longer bar. For A/R & A/P office admin inquires use walkerssaw@shaw.ca, 2023 Walker's Saw Shop LTD. and that plenty and works well. He wanted to get the story on that by calling Stihl himself. The increased speed of the 8 tooth sprocket effectively made up the difference. Do I need one? otherwise give him the benifit of the doubt and know he made a mistake. Pro. I'll stick with a 7t if it struggles to bury the bar. I try to take decent care of the chains. Package Contents: 3*3/8 Pitch. For the best experience on our site, be sure to turn on Javascript in your browser. document.write('') var xmlHttp = new XMLHttpRequest(); This site uses cookies to help personalise content, tailor your experience and to keep you logged in if you register.