Features: Extension rod measuring 50mm in length, with external thread ranging from 1/4inch-20 inches at the top and internal thread ranging from 1/4-20inches at the bottom, used for connecting other products. Standard 1/4-20 male stand can hold external monitors, microphones, lighting, and many other accessories. Aluminum alloy material, ensuring reliable daily use, corrosion prevention, durability, lightweight, small structure, easy to carry and use. Featuring deep thread, easy installation, and stability. Camera stand screw adapter, connect the camera to a tripod or microphones stand, holds the camera or microphones in a stable position, and is suitable for any camera tripod, monopod, telescope, camera equipment, lens collar, lens plate, and lamp holder. 15mm outer diameter tube with 1/4 male and female end, sports camera accessory, 50mm long, used for connecting photography systems. Specifications: Material: Aluminum Alloy Color: Black Length: 5.0cm/1.97inch Diameter: 15mm/0.59inch Package Includes: 1 Piece 1/4 Male to Female Extension Rod note: Please allow 1-2cm errors due to manual measurement. Please allow for slight color differences due to different display resolution.