Specification: Material: ABS Injection Molded Housing, HD Glass and Aluminum Stem Mirror type: Convex Mirror Size: 5.59(L) x 3.14(W) Inch Stem Length: 4.72 Inch Mirror Weight: 1.14 Pounds Color: Chrome Package Includes: 1 Pair of Motorcycle Mirrors 2×M8 Standard Adapter 2×M10 Standard Adapter 2×M10 Reverse Adapter Features: Consists of ABS, HD Glass and Aluminum Stem, it's more high-impact resistance and corrosion resistance so it will live a long life The joint ball can be adjusted 360 Degree Swivel allows to be placed at ideal angle for your riding position Can see backward driving condition clearly while riding, avoid traffic accident Direct bolt on to the stock mounting point, direct replacement, easy install It's Spear Oval stylish design is decorate your motorcycle Fitment: Universal 8MM 10MM Thread Suitable for Most Touring Cruiser Chopper Street Naked Road Bike Scooter etc Not fit 10mm x 1.5mm screws Technical Support: MZS provides technical support, if your mirrors have any problem or miss some accessories, please let me know