Rotary 2181. FLAT IDLER PULLEY. Heavy-Duty Flat Idler / Ariens 01213200Pack Size:1Ariens 01213200, John Deere M124285ESF 165-215, Foley/PLP 165-215, NHC 276-9354, Oregon 78-042, Ratio Parts 280-594, Rotary 2181Ariens 932000 series, 924028, 924029 and 922003, self-propelled walk behinds; for 20", 24" and 32" snowthrower attachments; John Deere self-propelled mowers: for 20", 24", and 32" snowthrower attachments.Idler E: 1/4 ", Idler F: 1/4 ", Idler H: N/A ", Idler K: 3/4 ", Idler V: 7/8 ", ID: 1/2 ", Material: Steel, With flange, For explanation of letters please refer to the drawing by clicking on More Info, Idler C: 1/2 ", Made By: An OEM supplier, OD: 2 7/16 ", Idler B: 2 ", Height: 7/8 ", Idler A: 2 7/16 "