Product Details: Material: Stainless Steel 304 Size: 22.5" Finishing: Polished Place of Origin: Taiwan Model Number: 529R Specifications: * Made of #304 stainless steel with mirror polished finish surfaces. * The patented lock-ring retention system provides most secure fitting tomost trucks with tubeless tire type of wheels (with curled edge lip) * The lock-ring fitting system is the most reliable in the market; never falls off or stolen with anti-theft bolt security design * Easy mounting or removal from edge rim of the wheel with unique lock-ring fitting system without have to touch wheel nuts. Working with 99% of Truck Wheel rim.