Sturdy Material: Made of high quality metal, the thread adapter bit is stronger, wear-resistant and anti-rust. It can be used for a long time and is suitable for outdoor activities in all weathers. Standard thread sizes: Tripod mount thread sizes are standard, with threads ranging from 1/ 4-20 to 3/8-16 teeth. Don’t worry, it won’t plug into your machine, it will fit most photography equipment. PORTABLE SIZE: This camera screw adapter converter has a portable size for easy carrying outdoors. You can put the camera screw adapter in a backpack that won’t take up space and take it anywhere you want to take pictures. EASY TO CARRY USE: This camera metal screw adapter is easy to assemble and disassemble by hand. You do not need any additional tools to assemble and disassemble this product. Wide range of applications: This 1/4 and 3/8 inch adapter threaded screw can be attached to a variety of different photography accessories such as studio light stands, shoe/horseshoe adapters, ball heads