Part Number: 4582264GFP Trolley, I-Beam 4″, 458, 7 3/16″ Drop, Poly Wheel, Forged Galvanized, Half See Details
Part Number: 4582268GFP Trolley, I-Beam 4″, 458, 8″ Drop, Poly Wheel, Forged Galvanized Frame, Half See Details
Part Number: 45810 Trolley, I-Beam 4″, 458, 7 3/16″ Drop, Steel Wheel, Half, Carbon Steel See Details