Billet 6061 aluminumDrilled with 1/2'' hole for internal wiringWorks with any standard 1'' handlebarSold in pairs with top clamp and 5/16-18 x 7/8'' hardwareBase hole tapped for standard 1/2-13 mounting bolts (bolts not included)Fits on all models with 3-1/2'' center-on-center riser spacing, including most OE Harley-DavidsonsMade in the USA