Frame:3"x2" x3/16" Steel Angle Crossmembers:3"x2"x3/16" Steel Angle Tongue: 4" Steel Channel Coupler: 2" A-Frame Safety Chains: DOT Compliant Tongue Jack: 2K Set Back Top Rail: 2"x2" Steel Tube Uprights:2"x1 1/2" Steel Tube Ramps(s): 50" Fold Flat ,Spring Assist w/Grab Handle Fenders: Radius Tread Plate Axle: 3500lb. Spring Idler Hubs: Easy Lube Tires: ST205/75R15C 6-PR Wheels: 15", 5-Hole Steel Exterior Finish: Industrial Grade Polymer Finish Decking: Board Retainers,2" Pressure Treated Pine Tie Downs: Stake Pockets Exterior Storage: Spare Tire Carrier Connector Plug: Flat 4-pin Wiring: Enclosed Sealed Wiring Harness Exterior Lights: Full LED,DOT Compliant Warranty: Limited 3-Year Warranty