Stainless Steel Material: Our tripod screws are made of high-quality aluminum alloy, ensuring rust resistance and strength. The surface is electroplated for durability, wear resistance, and oxidation resistance, offering a long lifespan. Lightweight and easy to carry, they are not prone to rusting. Standard Size Thread: The tripod screw camera features 1/4" and 3/8" thread sizes, allowing for flexible switching between different thread sizes based on accessory needs. Includes 5 x 1/4" to 3/8" male to female thread adapters. Easy to Install: The camera tripod screw has a small thread, weighs only 80 grams, and features a simple, economical, and practical design. Its compact size makes installation easy and convenient for outdoor photography. Perfect Camera Accessories: Our camera tripod screws are highly suitable for mounting on DSLRs, tripods, monopods, ball heads, flash brackets, and shoulder mounts. These camera external threads and sleeve adapters are manufactured to international standard sizes, fitting most photographic equipment. Photographer's Must-Have: Our camera tripod threaded adapter screws are incredibly practical. For photographers, this is an essential and professional camera accessory for connecting cameras. If you are an advanced photographer, you'll understand the importance of having such a set of common parts for shooting, as they will help solve many photography challenges. Specifications: Material: Aluminum Alloy Thread Size: 1/4"-20 & 3/8"-16 Color: Silver Total Pieces: 5PCS Application: Lamp holder conversion screw Package Includes: 5 Standard 1/4 to 3/8 inch metal male converters.