①. Features: With this holder, you can easily and securely attach the original holder to the holder above the speedometer. This holder is suitable for both 12 mm and 16 mm holder diameters. With the grooves included, the holder sits tightly screwed onto the holder (there may be slight installation marks). The materials used are wear-resistant and not easy to age. Strong and sturdy, shockproof and easy to install. You can immediately install mobile phones into the holders with one hand, and they will not fall off easily. ②. Specifications: Material: Aluminum Alloy; Size: About 5.3X4.9cm/2.08X1.92inch; Color: Black/Red/Blue R1200gs ③. Note: 1. Please allow 1-2cm error due to manual measurement, please make sure you do not mind before ordering. 2. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thanks for your understanding. ④. Package Includes: 1X Navigation Holder