The Kramp 00006421216 rim sprocket is a high-quality replacement component designed for various Stihl chainsaw models. Featuring 7 teeth and a 3/8" pitch, this sprocket ensures efficient power transfer and smooth chain operation. With an inner diameter of 22mm, an outer diameter of 35mm, and a width of 10mm, it provides a precise fit. This durable rim sprocket is essential for maintaining optimal cutting performance and extending the lifespan of your chainsaw. It is compatible with Stihl models including 029, 039, MS290, MS390, MS310, 034, 036, MS340, MS360, MS361, MS341, 044, 046, MS440, MS460, MS441, MS461, 064, 066, MS640, MS660, MS650, MS661, 088, MS880, MS780, and MS881.