Black semi-gloss powder coat for 05-20 long/short bed with 3.5 Inch/4.0 Inch/4.5 Inch per axle.Details: Premium 2.0 Inch Diameter Traction Bars Black Semi Gloss Powder Coat for 05-20 Ford Superduty Long Bed with 3.5 Inch Per Axle Diameter: 2.0 Inch Axle: 3.5 Inch Color: Semi Gloss Black Finish: Powdercoat Bed Type: Long Bed Fits: 05-20 Ford Superduty Sold As: Pair