DanaDolly Universal Kit, Includes 2x Universal Style Track Ends, Center Support, 75mm Bowl Adapter, 100mm Bowl Adapter, 3" Washer and T-Tool 16 Custom Dolly Track Wheels Soft Polyurethane Track Wheels ABEC-7 Rated Precision Bearings Wheel Trucks Swivel for Curved Track For 1.5 to 1.9" O.D. Pipe