A measurement of nail size, usually indicated by a \"d.\" For example, 2d indicates a 2 penny nail. The higher the number of PENNIES the longer the nail. A 2d nail is 1\" long and a 60d nail is 6\" long. The most common framing nail is 16d which is 3 1/2\" long. See COMMON NAILS, GUN NAILS, BOX NAILS, and SINKERS.
