Took 18ft Trailer and took off top.Add four heavy L piece of iron in between existing iron.reinforced the frame and rapped it with heavy L iron.Installed heavy gadge diamond plate for fenders.Two 200 pound men can stand on them.Installed 2Ă—pressure treated fir.Treated them with 3 Coates on top two coats on bottom with high end stain.When installing the bolts used gave 3.5 in carriage bolts.I filled each hole with black jack roofing cement and remed the black jack with piece of steel to coat the inside of hole for water proofing. New lights and wires on them and brakes.New jack in front has a spare tire holder ,fire extinguisher, tool box,D ring all around it