THRASHIN SUPPLY CO. RISER 8 HOLESHOT BLK TSC-8100-1Billet 6061 aluminum, Drilled with 1 2" hole for internal wiring, Works with any standard 1" handlebar, Sold in pairs with top clamp and 5 16 18 x 7 8" hardware, Base 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 Davidsons, Made in the USA