This is a genuine Iseki 136422510000 sprocket, designed for optimal performance in Iseki TM series tractors. Featuring 10 teeth, 4 mounting holes with a 10mm diameter, and a 20mm internal diameter, this original equipment manufacturer (OEM) part ensures precise fitment and reliable power transmission. Its robust construction and specific dimensions, including a 48mm external diameter and 10mm thickness, make it an essential component for maintaining the integrity of your machinery's drive system.