Heavy-Duty Flat Idler / Snapper 5103817YPPack Size:1Ferris 5022621, Simplicity 5022621, Snapper 5022621, Snapper 5022621SM, Snapper 5103817YPSnapper 400z series and ZTR FastCutIdler E: 5/8 ", Idler F: 5/8 ", Idler H: 3/8 ", Idler K: 1/14 ", Idler V: N/A ", ID: 3/8 ", Material: Steel, For explanation of letters please refer to the drawing by clicking on More Info, Idler C: 3/8 ", Made By: An OEM supplier, OD: 4 1/2 ", Idler B: 4 ", Height: 1 5/16 ", Idler A: 4 1/2 "