Stainless Steel Material: Our tripod screws are made of high-quality aluminum alloy, rust-proof and strong. The surface is electric, wear-resistant and anti-oxidant, has a long service life, is easy to carry, and is not easy to rust.Standard Size Thread: The thread size of the tripod screw camera is 1 or 4" and 3 or 8". You can freely switch different thread sizes according to the needs of various accessories. 5 X 1 or 4" 3 or 8" external thread on the internal thread on the nut.Easy to Install: The camera's tripod has a small thread, weighs only 80 grams, is simple in design, economical and practical, small in size and easy to install. Convenient to carry for outdoor photography.Perfect Camera Accessories: Our tripod screw camera is very suitable for mounting on DSLR or Tripod or Monopod or Ball head or Flash mount or Shoulder mount. These camera external threads and sleeve adapters are manufactured in international standard sizes and are suitable for most photographic equipment.Photographer Must Have: Our camera tripod threaded adapter screw is very practical. For photographers, this is a necessary and professional camera accessory to connect the camera. If you are an advanced photographer, you will know the importance of having such a set of common parts for photography and will help you solve many photography problems.Specifications:Material: Aluminum alloyThread Size: 1 or 4" -203 or 8" -16Color: SilverTotal Number Of Parts: 5PCSScope of Application: Lamp holder conversion screwThe Package Includes:5Standard 1 or 4 to 3 or 8 inch Metal Male Convertor