The Stihl OEM Spur Sprocket is a single-pack replacement part designed for chainsaws. Manufactured by STIHL in Germany in 2002, this sprocket is compatible with 3/8" pitch chains and has 7 teeth. It carries the part number 1122-640-2002 and is specifically designed to be used with STIHL chainsaw models. This high-quality sprocket is essential for maintaining the smooth operation and cutting efficiency of your chainsaw.