The Oregon Power Mate 3/8-7T SM7 Rim Sprocket (Oregon part number 100732X) is a genuine replacement component designed for use with Oregon Power Mate clutch drums on various chainsaws. This 7-tooth rim sprocket features a 3/8-inch pitch and a 7-spline (SM7) configuration. It allows for efficient power transfer and smooth chain operation, reducing wear on the guide bar and chain. With an inner diameter of 22.2 mm, an outer diameter of 32.5 mm, and a width of 10.5 mm, this durable sprocket ensures reliable performance for professional and home users.