The Deck Spindle for Bad Boy 42 48 54 Inch MZ Magnum 037-2050-00 037-2000-00 is a high-quality spindle assembly made by RUSSO. This part is designed for Bad Boy mower decks in 42, 48, and 54 inch sizes. With a part number of RP037-2000-00, this spindle is made in China and comes in a pack of 1. It is important to note that this product may contain chemicals that could be harmful if ingested or inhaled, as indicated by the California Prop 65 WARNING.