The ADR14 Astro Pneumatic XL Blind Rivet Adapter Kit 1/4'' Capacity easily convert your cordless, pneumatic or corded drill into a power pop riveter. Includes nose pieces for 3/32'', 1/8'', 5/32'', 3/16'', 7/32'' and 1/4'' for steel, aluminum, copper or up to 7/32'' in stainless. CNC machined from solid billet aluminum and features Japanese bearings. Works on up to 0.65'' rivet bodies (#8-8 rivets), maximum stroke of 0.7''.