Mamba M13 17 Black Wheel / Rim 6x5.5 with a -12mm Offset and a 106.10 Hub Bore. Partnumber M137983N12B Lip Size, Concavity, and overall Appearance, may vary depending on Vehicle and Wheel Size Once Tires are mounted onto Wheels, the wheels become Non-Returnable Feel free to contact our dedicated Wheel & Tire team with any questions Surface Finish: Matte Black. Material: Aluminum