Arnold wheel fits 42 In., 46 In., 50 In., and 54 In. decks on lawn tractors and zero-turn mowers. Use with Brute, Columbia, Craftsman, Huskee, Huskee Supreme, MTD Gold, MasterCut, Murray, Troy-Bilt, Yard Machines, and Yard-Man. Includes: 1 wheel, nut, and bolt. 2-1/2 In. hub length. 1/2 In. nylon bearing. 50 Lb. load rating. Replaces OE # 734-04155, 734-04039, and 734-3058B.