Hollow punches for cutting clean round holes in leather, fabric, paper, rubber & thin metal * Hardened & tempered carbon steel for superior cutting-edge durability, precision-beveled tips * Cut-away chambers to remove cut material & prevent plugging; knurled grip for non-slip hold * Hard-to-find small sizes 1/8 (3.2mm), 5/32 (4mm), 3/16 (4.8mm), 7/32 (5.5mm) * Use to cut holes for eyelets, grommets, rings and other fasteners; 3-1/4" length, set 7 oz