Features: Multifunctional design: Equipped with multiple 1/4inch threaded holes and hot shoe interfaces, it can simultaneously connect multiple external devices such as flashlights, microphones, and other photography accessories. Stable pipe clamp system: equipped with 15mm pipe clamp, it can be firmly fixed on the photography stand, slide rail or other accessories to ensure equipment stability and safety. Durability: Aluminum alloy material, lightweight, suitable for various photography environment. Easy to install and disassemble: The user-friendly design makes the installation process simple and fast, allowing for quick assembly and disassembly without the need for additional tools. Strong compatibility: widely applicable to most brands of camera devices, meeting the needs of different users. Specifications: Material: Aluminum Alloy Color: black Size: approx. 86.5mm/3.41inch Package Includes: 1 Piece Multifunctional Expansion Board with 15mm Rod Clamp 1 Piece Screw 1 Piece Tool note: Please allow 1-2cm errors due to manual measurement. Please allow for slight color differences due to different display resolution.