Hign-concerned Chemical:None Origin:Mainland China Features: You will get 1 piece motorcycle throttle lock, designed for most motorcycles and sport bikes. Made of high-quality aluminum alloy material, the surface is oxidized, sturdy and durable, and has a longer service life. Good size, with a silicone ring, great for metal grips or added friction, easy to install, no tools required. Rely on the brake lever to keep the throttle open and relieve wrist discomfort from long rides. Knurled screws allow for easy adjustment, and the top dial helps you adjust the position for the safest and best fit for your grip. Specification: Material: aluminum alloy Size: as shown in the picture Color: black Package Includes: 1pc Notes: Please allow slip errors due to manual measurement. Colors may vary slightly for different monitors.