Heavy-Duty Flat Idler / Ferris 5601084SMPack Size:1Ferris 5021976, Ferris 5600184, Ferris 5102831, Ferris 5103800, Simplicity 5021976, Snapper 5021976, Snapper 5600184, Snapper 5600184, Snapper 5600184SM, Snapper 5103800YPRotary 12472Ferris 5900500, 5900708, 5900781, 5900783, 5900941, 5900943 and 5900993Idler E: 1/4 ", Idler F: 1/4 ", Idler H: N/A ", Idler K: 1 ", Idler V: 1 7/16 ", ID: 1/2 ", Material: Metal, For explanation of letters please refer to the drawing by clicking on More Info, Idler C: 1/2 ", Made By: An OEM supplier, OD: 6 3/4 ", Idler B: 5 7/8 ", Height: 1 7/16 ", Idler A: 6 3/4 "