- Non-slip and Shockproof Design: The TPU-coated M8 ball head features an ergonomic design that securely fits with the double base arm. Its soft and flexible foot absorbs strong bumps while cycling, ensuring a stable mobile phone holder. The ball head rotates 360 degrees, allowing you to easily adjust your phone's orientation for an optimal driving view. - RAM Mount Compatibility: This 1-inch ball head adapter with M8 x 1.25 bolts is compatible with RAM mounts B size double base arms as well as motorcycle and bicycle phone holders. It supports the attachment of any phone holder accessory designed for a 1-inch ball head mounting system. Ideal for rearview mirrors on M8 motorcycles, electric vehicles, off-road vehicles, and other devices with a 1.25 mm distance. - Installation Dimensions: The M8 ball head includes a 1-inch TPU ball head of B type and an M8 x 1.25 thread post. With a ball head diameter of 25 mm, the external thread of the M8 x 1.25 steel post connects seamlessly to standard internal threads found in digital cameras, camcorders, and more. For compatibility with other devices, ensure the threaded holes have an M8*1.25 pitch. - Durable Construction: The 1-inch ball head adapter features a stainless steel M8 x 1.25 thread body, precisely machined for quality. The solid stainless steel ball head is coated with high-quality non-slip rubber, offering superior protection and durability. This design withstands greater weight and pressure, making it ideal for kayak phone holders, scooter phone holders, pram phone holders, and other mounting bases for long-term use. - Practical Use Cases: Perfect for motorcyclists needing secure phone access while riding. Ideal for cyclists who require stability during bumpy rides. Suitable for outdoor enthusiasts using kayaks or scooters, providing a reliable phone mounting solution.