Black anodized finish. CNC machined aluminum. Compatible with the digital gauge (OEM 70900651) found on Street Bob; Breakout and FXST models. Comes with a 1/2″ mounting hole. Includes stainless hardware. Note: Compatible with 1″ handlebars only. When installing to models equipped with standard 1-1/4″ Fat Bars must be converted to 1″ diameter handlebars.