The sharp chisel of the original Nagel staples guarantees that the staples get easily through paper, cardboard, leather, fabric, wood and plastic. They are bent exactly to standard on special machines and are glued together with a special varnish. Original Nagel staples stitch writing blocks and brochures permanently together. There are 5 different types of wire available from 0, 4 ? 11mm diameter and 11 different sizes availbale from 6 ? 30mm side length. The original Nagel loop staple offers the possibility to file unperforated brochures i.e. no more hole in the written area an no more thinking of side margins for the perforation.