Card of Button Basics 4-hole utility buttons in 8 mm (1/4"). The smooth, flat profile sits neatly on plackets and pocket tabs, and the consistent holes make hand or machine stitching straightforward. Each card includes 6 matching buttons to refresh garments or finish craft projects with a clean, classic look. A tidy choice for everyday sewing and craft repairs, the set suits plackets, cuffs and small accessories without bulk.