This charm bracelet is the ideal gift for a mechanical engineer. It features 6 zinc alloy charms and 1 stainless steel charm. The zinc alloy charms are pliers, a screwdriver, a drill, a saw, a wrench and a mechanical gear. The stainless steel disc is laser engraved with "Engineer." Seven inch rhodium plated brass chain with extender chain can be upgraded to stainless steel for an additional fee.