The mirror screws is made of CNC aluminumn and anodize surface finish. Strong and durable. With the rearview mirror removed, the mirror bolts perfectly protect the mirror hole threads from water, dust and dirt. You can screw in the screws by hand without using other installation tools. Easy to install. Size: M10*1.25(10mm). Package Included 2 pcs mirror holes screws Simple design, make the appearance or your motorcycle become more outstanding. Specification: Material: 6063 Aluminum with Anodized Surface Finishing Color: Red Black Blue Gold Size: M10*1.25(10mm) Thread Diameter:10mm/0.4 inch Hight:15mm/0.6inch Package Includes: 2 Pcs Rear Mirror Hole Plug Screw Bolts Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.