50 Size: Wire diameter: 4.8mm, tooth length: 22mm, total length: 40mm, outer ring diameter: 17mm (Product measurement in millimeters, 1mm = 0.0393701 inch). 304 stainless steel, high hardness, corrosion resistance, can be used in humid environment and dont worry about rust. Product advantages: 304 male thread stainless steel eye bolt, self-tapping screws, it is made of very large machines. After many experiments, it has been proven that the exterior will not be oxidized and rusted. Can be used in humid environments and outdoors Sheep eye balls, also known as sheeps eye, sheeps eye circles, sheeps eye nails, sheeps eye screw, etc. . It is also one of the common hardware accessories for architectural decoration. Package includes: package contains 50 pieces of eye screws, screws come in bulk, can meet your basic object and object fixing needs; Note: please check the before purchasing. Product These small silver eye screws are made of premium material for long lasting use. It is easy to use and install with long service life.The precise design will ensure its practicability in high performance work. Features: - Color: silver - Material: carbon steel - High quality for long lasting use. - Most ergonomic designs with impeccable craftsmanship. - Easy to use with a solid structure. - Great for cork bottle charms or other art projects. Package including: 50 x eyelet screw