Black GPS Holder Mounts Motorcycle Base with 9mm Hole and 1inch Ball

Description: The marine grade aluminum base consists of a 1 diameter ball and base with 10mm hole. This part is often used on motorcycles, attaching to the mirror frame. 1 diameter ball and base with 10mm hole Ideally used on motorcycles Made of powder coated marine grade aluminum ? Specification: Color: Black Material: Powder Coated Marine Grade Aluminum Ball Size: 1 Rubber Ball Size: 60x35mm ? Note: Please allow 1-3CM differs due to manual measurement. Due to the different display and different light, the picture may not reflect the actual color of the item. Thanks for your understanding. ? Package Included: 1 X Aluminum 1'' Ball with Diamond Plate