Pro Taper Full Diamond ATV Grips - Thumb Throttle (Full Diamond) (Medium Dark Grey) Pro Taper Grips offer a wide variety of compounds and patterns to suit every rider's style and preference. Pro Taper Grips give the rider a tacky feel, but also incorporate a more firm compound to ensure the grip holds up over time. For use with thumb throttle, includes left and right grip. Custom Kraton rubber compound provides super tacky feel and great glove traction. Full waffle pattern minimizes vibration.