[Ball Head Stud] - Round Head Size: 4mm / 0.16"; Base Diameter: 6mm / 0.24"; Height: 8mm / 0.31"; Screw Size: M2.5x5mm. The package contains a sufficient quantity - 15 sets to meet your various needs: Each set includes a head button and screw.
[Material] - Made of zinc alloy with high hardness, no rust, wear resistance and corrosion resistance. With oil seal and polished finish, it can bring a smooth surface without scratches and dust, and water resistance.
[Screw Back Rivet] - The two parts of the round head rivet fit tightly, and it is firm and does not shake after installation. The studs are centered and the screw's Phillips slots are thin for a nice appearance and interior surface.
[Easy Setting] - Screw back designed, these ball stud rivet are easy to install and remove. Punch a hole in the leather with punch, then pass the screw through the hole, cover the button stud and then tighten the screws with a screwdriver.
[Wide Application] - Button studs rivets are widely used to attach any small straps and belts, such as backpacks, handbags, purses, shoulder bags, cross-body bags, shoes, clothes, etc. It can also be used as DIY accessories and decorations.