Features: Experience unparalleled stability and flexibility with our Metal Double Socket Arm. Secure extend your 1"/25mm 25mm Mount for a variety of devices. Crafted from aluminum this medium arm mount withstands high impact and vibration condition for most adventure outdoor activity. For action sports enthusiasts, traveler, and photographers for creative and professional support for phones, or tablets. This Metal Double Socket Arm mount accessory adapts to all your needs. Enhances your devices mounting setups with ease; simply tighten the knob on the side and clamp around the 25mm joint for a secure installation. Specifications: Component：Aluminum Size：about 6cm/2.36in 9cm/3.54in 15cm/5.91in for 1"/25mm 25mm Mount Package Includes: 1PC Metal Double Socket Arm note: Due to the problems of lighting effects, there will be certain tolerances in the product, please understand. Please allow 0-1cm error due to the manual measurement