Rivet pliers, also known as blind riveting pliers or pop riveters, are tools used to fasten materials together, particularly when access is only available from one side. They are commonly used for joining metal sheets and other hard materials. The process involves inserting a rivet through a pre-drilled hole, then using the pliers to pull the mandrel (the central pin) of the rivet, which expands the rivet body and creates a secure