Flat Idler / John Deere AM138079Pack Size:1John Deere AM134501, John Deere AM138079NHC 276-9410, Ratio Parts 022-981John Deere X300Idler E: N/A ", Idler F: N/A ", Idler H: 3/4 ", Idler K: 3/4 ", Idler V: 13/16 ", ID: 5/16 ", Material: Plastic, For explanation of letters please refer to the drawing by clicking on More Info, Idler C: 5/16 ", OD: 3 1/2 ", Idler B: 3 ", Height: 1 1/2 ", Idler A: 3 1/2 "