1.5" (3.8 cm) diameter steel tubing with durable powder coat finish. Sleek lines designed to match your vehicle's body and greatly enhance the overall look. Easy-to-install roll cage mounted spare-tire holder. Accommodates tires up to 28" in diameter (wheel not included). Uses standard bolt pattern for wheel installation. Not compatible with LinQ Pivoting Rack, All-Terrain Trunk Cover, Gear Rail and accessories mounted in the cargo bed.