Aluminum 1" Handlebar Hand Grips with Throttle Assistor Cruise Assist Wrist + Plug Fit motorcycle ATV watercraft with 1 inch left grip and 1 inch right grip Non slip design, Heavy duty tough strong billet. Comfortably fits, reduces the strain on your fingers, wrist and arm! Reducing problems with fatigue, tendonitis, carpal tunnel. Especially beneficial when wearing heavier gloves. The throttle assist will make the rotation of the throttle grip easier.! Easy installation! These grips are great replacement for your old grips! Material: Durable PVC Gel rubber &amp; Billet Aluminum