Heavy-Duty Flat Idler / Hustler 781385Pack Size:1Hustler 781385J. Thomas 280838, NHC 276-9332, Oregon 78-023, Rotary 10226Hustler Mini-Z and Super-Z with 44", 52", 60" and 72" decksIdler E: N/A ", Idler F: 1/4 ", Idler H: 1/4 ", Idler K: 3/4 ", Idler V: 1 1/4 ", ID: 5/8 ", Material: Steel, Steel, For explanation of letters please refer to the drawing by clicking on More Info, Idler C: 5/8 ", Made By: An OEM supplier, OD: 6 3/4 ", Idler B: 6 1/8 ", Height: 1 1/8 ", Idler A: 6 3/4 "