Please read the product size carefully before buying to make sure that you are not buying wrong.
Specification Example:M3x6mm(40Pcs) = thread diameter 3mm x screw length 6mm , 40 Piece for a set.
Thread Diameter: 4mm/0.15 inch
Rust-proof, corrosion-resistant, high hardness.
Various uses Suitable for a variety of fixed applications. Small repairs such as door handles or garages around the home, garages, faucets, knobs, gunsmithing, weapon repair, plumbers, etc.