Flat Idler / Grasshopper 393312Pack Size:1AYP 165626, Grasshopper 393312NHC 276-9173, Oregon 78-045, Rotary 13622Grasshopper 718, 720, 725, 725K and 928DMade By: An OEM supplier, Height: 1 ", ID: 3/8 ", OD: 2 1/2 ", Material: Plastic