Height: 65mm/2.5in, 95mm/3.7in Color: Black Ball Holder Diameter: 25mm/0.9in (on both ends) Material: Plastic + ABS Process: Injection Molding Item Type: Action Camera Accessories Kits Description: 100% brand new and high quality Feature: Double socket arm. Has 1 inch/25mm socket at both ends that accommodates 1 inch ball base. This socket technology allows for almost infinite adjustment and perfect viewing angles. Made of plastic and ABS material, nontoxic, durable, sturdy and environmentally-friendly for us to use. A creative outdoor mobile phone holder used for motorcycles, bicycles and other kinds of vehicles. Kindly Reminder: The model 65mm, it is short type, no need spring for use. The model 95mm, it is longer type, it comes with spring inside for easier use. Note: No retail package. Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you! Package Includes: 1 x Double Socket Arm