Widely Used: Set screws are widely used to make joints between two pieces of wood, sophisticated production, excellent quality, good performance, high work efficiency and easy High Quality: Double ended screws are made of high quality iron and are durable,built to strict quality control standards, as a artistic appearance and simple structure, very friendly to novices. 10pcs Screws: There are a total of 20 screws in a group that can be used in many projects,great workmanship, precision structure, compact size, light weight, easy to install and remove. Long Service Life: The screw is made of iron, the is galvanized, corrosion resistant, stable and durable, professional manufacturing, high reliability. Quality assurance, long service life. Zinc Galvanized: The of the dowel screw is galvanized for better performance,Good resistance to corrosion and wear, no easy breaking, for long-lasting use.