25 Medium -1/8" (3mm) Aluminum Rivets 25 Medium -3/16" (5mm) Aluminum Rivets Custom Molded Case Durable all steel construction Comfortable Hi-Viz non-slip Vinyl grip Spring loaded handle for easy loading Includes interchangeable nose piece Not recommended for 3/16" all-steel rivets Stainless steel rivets are not for use with manually operated rivet tools