[Application]: It is widely used in mechanical equipment, electronic equipment, communication equipment, hardware lighting, building bridges, furniture decoration and other related industries. [Simple installation]: Free to install or disassemble, without any other tools, can be used with washers to reduce concentrated stress and prevent fastener damage. [High-quality, durable and durable]: The surf screw is made of high-quality 304 stainless steel, which is durable and not easy to rust. It has good toughness and impact resistance, corrosion and aging resistance, and can be used for many years. [Main purpose]: Sliding fin screws are used to remove or install flat head screws for fixing fins, rubber O-rings can eliminate loosening during surfing Delivery Quantity: 3pcs Product color:silver Product size: 14*3.4MM