The Original Lock-On Grip and the ultimate ATV Motocross grip for control and traction! Slim diameter (30.5 mm), with rugged knurl pattern for improved feedback and control. Original MX Half-Waffle pattern for maximum traction at the fingertips. Lock-On clutch and throttle side grips provides simple installation and removal. Billet-alloy clamps deliver 100% Slip-Free Performance Guaranteed. Preinstalled ODI V2.1 Lock-Jaw Single-Clamp with screws eases installation. Knockout ends easily accommodate full-wrap handguards. Made in the U.S.A. Note: For use on PWC in Salt Water ODI recommends their Stainless Steel M4 Replacement Allen Screws (sold separately). Patented Lock-On Grip System™ design delivers easy installation and ensures 100% slip-free performance.