3/32" to 1/4" and 10-24 to 5/16-18 Combination Heavy-Duty Rivet Nut and Pop Rivet Tool Kit by Astro Pneumatic Tool®. 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.