(Patent Pending) Proudly Made In The USA!!! The RT81 Rock 8 steel beadlock was one of the first purpose built off-road beadlock ever made.Designed for anything you can throw at it and 100% USA built! Raceline, the leader in wheel performance, design and durability!• Classic 8 hole mod window embossed design for added strength and durability• Wheel and ring constructed out of heavy-duty USA made carbon steel• Engineered to be one of the strongest wheels available.• US made grade 8 zinc beadlock hardware with hardened steel PEM-nuts that along with captive washers can be replaced as needed...no more stripped wheels that are deemed worthless. Another industry best that are standard issue.• Steel Beadlock Bolts = 1.25" length• Available in both 15”, 16” and 17” diameters in a number of different widths.• The Official Wheel of NORRA, MidAmerica Outdoors, Norcal Rock Racing, Southern Rock Racing Series, and Nor Cal Rock Racing to name a few. (BEADLOCK WHEELS ARE FOR OFF-ROAD USE ONLY & ARE NOT DOT APPROVED FOR HIGHWAY USE) * Click to view Raceline Beadlock mounting instructions Sizes 15" 16" 17"