YAJU Note: Products include: left side without thread, right side with thread constant speed. 1 pair of 8mm screws, 3 pairs of rubber expansion column, expansion column suitable for 7/8"(22mm) od 17.5mm/15mm/13mm handlebars (conventional handlebars are 17.5mm and the other two are spare for some motorcycles with modified reduced handlebars, 8mm screws are suitable for some K awasaki series handlebars with 8mm thread at the end. It is suitable for all motorcycle throttle handlebars, please check to see if the size of the product matches your throttle handlebars modification before purchasing. Feature Product Name: throttle fixed speed handle plug Material: Aluminum CNC, rubber plug, metal screw Color: Black Quantity: one pair Special Features it is made Aluminum CNC, rubber plug, metal screw, with good corrosion resistance, enough hardness, vacuum plating and coloring, cool shape design; making the handlebar more stable; it has the function of accelerator constant speed, effectively reducing the fatigue caused by long-distance driving; at the same time, when the handlebar is blocked, the handlebar can be effectively protected when the vehicle unfortunately falls to the ground. Safety tips: please fully understand the use mode of this product, do not let go of your right hand arbitrarily during driving, and pay attention to safe driving. Package Included: One Set One pair screws (8mm) Toothless mounting on the left, Installation position of the right handbar with thread. Please note: Please allow 1-2mm errors due to manual measurement Product color displayed in photos may be a little different from the actual. Please don't mind.