This is a diamond ball Base with 17mm ball that is widely used,compatible with Garmin devices and phone stand or tablet stand with 17mm swivel ball mounting pattern. The diamond plate features industry-standard AMPS holes pattern,the center distance between the two mounting holes is 1.912(48.6mm)". All made of aluminum alloy, CNC process, oxidation resistant treatment, durable, stable in the harshest environments.

f any components are damaged or you are not satisfied with this product, please feel free to contact us and you will receive a 100% full refund or replacement. What you see is what you get - we promise that all photos and videos are real product photos, so you can feel the real texture and get the product in the advertisement. Equipped with 4 screws and 2 nuts. The diamond plate features industry-standard AMPS holes pattern,the center distance between the two mounting holes is 1.912(48.6mm)". 17 mm ball joint can be connected to a phone stand or tablet stand,Compatible with Garmin devices with 17mm swivel ball mounting pattern. All made of aluminum alloy, CNC process, oxidation resistant treatment, durable, stable in the harshest environments.