• Package contents: 50 black sheet metal screws, size M5 x 16 mm. • Selected materials: Made with high-quality alloy, these screws are smooth, burr-free, strong, durable, non-slip, and resistant to oxidation. • Ingenious design: Deep and complete threads, shiny surface, attractive appearance, good corrosion resistance, and anti-rust. The recessed cross-head design makes installation easy. • Easy to use: High hardness and strong penetration power. They do not deform or break easily and have strong fastening properties. They can be screwed directly into wood or thin iron materials. • Scope of application: Ideal for the automotive industry, motorcycle accessories, wood accessories, furniture repair, and household appliances. • Measurements: Thread diameter: 5 mm, total screw length: 16 mm, screw head diameter: 15 mm.