DanaDolly Original Kit, Includes 2x Original Style Track Ends, Center Support, 75mm Bowl Adapter, 100mm Bowl Adapter, 3" Washer and T-Tool DanaDolly 2x Original Style Track Ends - Center Support - 75mm Bowl Adapter - 100mm Bowl Adapter - 3" Washer - T-Tool - DanaDolly 1 Year Limited Warranty Material of Construction: Dolly Platform: Machined 6061 AluminumTrack Wheels: 16x Soft PolyurethaneBearings: ABEC-7 rated precision bearings Load Capacity: 100lbs / 45.36kg Head Fitting: Incorporated: Mitchell MountWith included adapters: 75/100mm Accessory Mounting: 2x 3/8" Through Hole2x 1/4"-20 Threaded2x 3/8"-16 Threaded