2-Pack Trailer Rims 15X6 Steel Silver Modular 6 Lug 5.5" Center 4.25"CB 2830#. Rim Size: 15" X 6". Bolt Configuration: 6 Lug 5.5" Center. Offset: 0". Center Bore: 4.25". Rim Construction: Steel. Rim Style: Modular. Rim Color: Silver. Wheel Hub Diameter: 7.40". Lug Value Hole: 0.45". Hub Stud Size/Nut Requirement: 1/2"-20 60 Degree Cone Nut. Torque Specifications: 90-120 Ft/Lbs.. Wheel Maximum Load: 2830 Lbs.. Warranty: Two Years. Pack Quantity - 2-Pack