This camera screw is made of high-quality aluminum alloy material, which is lightweight, stable, and durable. At the same time, it also has good waterproof performance and shock resistance, which can meet the needs of users for photography equipment. LS112, bottom hole 3/8 inch thread, hole depth about 13.7mm, total weight about 16g, LS111 bi-directional thread, one head screw inch 1/4, diameter 6mm, one head screw inch 3/8, 9.2mm, weight 15g, can connect 1/4 and 3/8 screw hole tripod installation equipment, made of aluminum alloy material, 3/8 to 1/4 camera adapter screw, stable and reliable, suitable for various occasions. In addition, its adapter screw design is also very convenient, making it easy to connect to different types of tripod linked cameras. If you are looking for a high-quality tripod adapter screw, then this product is definitely your choice!