Material: high quality metal material Color: silver Length: 7.3 cm Maximum diameter: 18mm Weight: 75g/piece Package includes: 2*Screw Adapters 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 comes in a portable size for easy outdoor carrying. You can put the camera wire adapter in a backpack that does not take up space and take it anywhere you want to take pictures. EASY TO 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, wireless flash receivers, triggers and other photographic equipment. .