Grizzly H7664 Nailers/Stapler Kit This nail gun/staple gun shoots 5/8-Inch to 2-Inch 18-ga brads and 5/8-Inch to 1-5/8-Inch 18-ga staples with 1/4-Inch crown features a view window Brads and 5/8-Inch to 1-5/8-Inch 18-ga Staples with 1/4-Inch crown