Accutronix "Knurled Grooved" Dual Cable grips are machined from 6061 T-6 Billet Aluminum and are available in several finishes. Finishes include Chrome Plated, Polished Billet Aluminum and our signature "Night Series" (A contrast of a Black Anodized & a raw aluminum finish). Dual cable throttle is for standard push-pull throttles 1982-2017 H-D models with dual cables as well as most custom & metric bikes.