Mamba 585B M13 wheels have 5 wide concave shaped spokes that gives them a bold and aggressive look. The wide spokes also help to improve the wheels' structural strength making them perfect for off road trucks as they can survive through the rough terrain. These wheels are constructed using strong and durable materials to ensure they are reliable for both on and off road driving. They have a matte black finish with a protective clear coat for a bold look that does not fade. These wheels come in five different sizes that are 15, 16, 17, 18 and 20 inches.