CPW ™ Heated Grips Handlebar Hand Warmers ATV ATC UTV Snowmobile Polaris Sportsman Heated Grips for ATV, UTV, ATC, Snowmobiles with a Thumb Operated Throttle and 7/8″ Handlebars Warms up to steady heat when engine is running! Hi and Low settings! Approximate Length: 5″. WILL NOT FIT TWIST THROTTLE CONTROLS! Both grips have a 7/8″ opening Professional installation highly recommended as there are no installation instructions included or available CPW ™ Heated Grips Handlebar Hand Warmers ATV ATC UTV Snowmobile Polaris Sportsman