Our Handle bar riser block fits 1� handle bars on standard Harley's and many metric bikes. They are drilled and tapped for ��-13 mounting bolts. The uniquely designed top cap conceals the handle bar clamp bolts. This block is 5.3" wide, 1.94" deep, 2.4" tall with a 1.46" handle bar rise. There is a .125" deep counter bore on each side to hide the transition from 1" to 1-1/4" on your Fat Bars. Accutronix Handle bar riser blocks are machined from 6061 T-6 Billet Aluminum and available in chrome, polished and black anodized finishes.