Cross, heart, pyramid, star...etc.
Decorative rivets, Bezel conchoes, Plastic stone rivets.
It is a rivet to use when stacking thick leather together.
Strike with a peening tool.
Use this when you want the intensity, such as attaching handles or shoulder straps.
Screw Back.
Copper Rivets are great for riveting leather items such as belts, wallets.
These can be used for attaching straps, leather handles, etc. in situations where strength is required.
The rugged finish also makes it suitable for use as a design accent.