Design wider larger throttle assistor, more comfortable than others'. Non slip design, heavy duty tough strong billet. High quality firm rubber gel material brings excellent absorbent to strong vibration provides great comfort feel! Comfortably fits, reduces the strain on your fingers, wrist and arm! Reducing problems with fatigue, tendonitis, and carpal tunnel. Especially beneficial when wearing heavier gloves. The throttle assist will make the rotation of the throttle grip easier! Fitment: Fit motorcycle ATV watercraft with 1 inch left grip and 1 inch right grip such as Harley Davidson, Kawasaki Suzuki Honda Yamaha cruiser chopper. Description: Design wider larger throttle assistor, more comfortable than others'. Non slip design, heavy duty tough strong billet. High quality firm rubber gel material brings excellent absorbent to strong vibration provides great comfort feel! Comfortably fits, reduces the strain on your fingers, wrist and arm! Reducing problems with fatigue, tendonitis, and carpal tunnel. Especially beneficial when wearing heavier gloves. The throttle assist will make the rotation of the throttle grip easier! Specification: Left (bar side) hole: 1" (25mm); Right (throttle side) hole: 1" (25mm). Overall length: 6.7" (17Cm). Color: black Material: durable PVC gel rubber billet aluminum Package includes: 2 x Handlebar Grips With Throttle And Assistor Control.