D Window Steel WheelSize: 15" x 10"Bolt Pattern: 5 x 5.50" Back Spacing: 4.00"Offset: -39 mmCenter Bore: 4.25"Load Rating: 2100 lbs.Finish: Powder Coated Black JEGS How to Measure Wheel Fitment click hereJEGS Wheel Load Rating ChartJEGS 681023 Features:Two-Piece Steel ConstructionCenter Caps Not IncludedCenter Caps Can Be Found HereSpecial Note: These wheels are machined for standard Acorn Style Lug Nuts and are sold separately (See Lug Nut Chart Below).