The Porta-Nail 2 in. x 16-Gauge T-head Hardwood Flooring Nails feature cupped points to help the nails to cut through the wood and avoid splitting even with very hard species. Full-hard carbon-steel construction to help prevent the nail from bending during installation. The nails have a wide-head wedge shaped design for a tight floor as well as well-defined barbs to help prevent the nail from backing out.