The STIHL 42261602900 is a genuine OEM clutch drum designed for optimal power transfer in various STIHL cut-off saws and the BT 45 boring tool. This essential component features 7 teeth and a 3/8 inch (9.525 mm) sprocket pitch, ensuring precise engagement and reliable operation. Compatible with models including TS 400, TS 410, TS 420, TS 460, TS 500i, TS 700, and TS 800, this clutch drum is engineered to meet STIHL's rigorous quality and performance standards, providing durability and efficient power delivery for demanding applications.