The 1453 Astro Pneumatic Combination Rivet Nut And Pop Rivet Setter Kit features a tool-less quick change design easily transforms between pop rivet, rivet nut and nibbler functions. Includes attachments for blind rivet sizes in 3/32'' (2.4mm), 1/8'' (3.2mm), 5/32'' (4.0mm), 3/16'' (4.8mm), and 1/4'' (6.4mm), rivet nut attachments in M5, M6, M8, 10-24, 1/4'', 5/16'' and round and right-angle sheet metal nibbler. The 1453 Astro Pneumatic Combination Rivet Nut And Pop Rivet Setter Kit is the complete solution for sheet metal fabrication and fastening.