Avon Rubber/Black Anodized H-D with Throttle Slide Boss Performance Grips for 1 Boss Performance grips are truly the most ergonomic grips manufactured for the V-Twin market Incorporating the Bottle shape as well as a built in throttle assist, these grips even include an undercut area for your fingers to fit into First grab on to these grips and you will think they were made just for your hands Made in the USA