Mamba M13793625B M13, BOLT PATERN: 6x135, SIZE: 17x9, OFFSET (mm): 25, FINISH: Matte Bl 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