DOP72-050 Exmark Anti-Scalp Deck Wheel Kit fits 38", 40" & 50" cut decks. Size: 5" x 2-3/4". Bearing ID: 5/8". Hub: Offset/Plastic. Hub Length: 2-1/2". Tread Design: Smooth. Includes # DOP72-311-1 wheel and hardware to attach. Replaces # 103-7363, 103-7263 & 103-4051.