Precision-machined from billet aluminumBlind hole tapped for standard 1/2'' x 13 mounting boltsUse stock top clamp, after-market top clamp, or Wild 1 custom billet top clamps (with offset mounting holes)Fits on all models with 3-1/2'' center-to-center riser spacingWork with any standard 1'' handlebar, Wild 1 Chubby Bars and most other bars with a 1'' clamping sectionMade in the USA