360° Adjustable Bike Side Mirror, Square Body Dimensions: Approx. 16.9 oz (480 g), Body Material: Aluminum Accessories: 2 0.3 inch (8 mm) Positive Screws, 2 0.4 inch (10 mm) Positive Screws, 1 x 0.4 inch (10 mm) Reverse Screw, so please purchase the bolt diameter of your current vehicle before purchasing. Color: Black, Carbon pattern.