Featureā—¸Polyurethane Rollers Fitted With Bronze Bearings Yield High Mileage Production;Steel Frame Is Protected By A Black Polyester Powder Coat;Description Lemco Lem-Pt-596 ,Polyurethane Rollers Fitted With Bronze Bearings Yield High Mileage Production;Steel Frame Is Protected By A Black Polyester Powder Coat;