Features: The AKR28 Round Head Adapter ensures seamlessly connectivity and compatibility between devices, making it essential accessory for your equipment setups. Crafted from high strength metal, this adapter is wear resistant and corrosion proof, offering long last solution for demanding environment. Ideal for professional engineers, DIY enthusiasts, and technical personnel requiring reliable device connection. Perfectly for AKR21 Flash Speedlight, electronic equipment debugging, and routine maintenance tasks, enhancing efficiency and precise. Easy to install, no any complicated step and no need any tool. Specifications: Component:Metal Diameter:Approx.8cm/3.15inch for AKR21 Flash Speedlight Package Includes: 1pc Round Head Flash Adapter note: Please allow 1mm errors due to manual measurement. Due to the differences between different monitors, the picture may not reflect the actual item color.