Most nail sizes are given in a unit called a "penny" and its symbol is the lower case letter "d". A 2d (2 penny) nail is 1 inch long. This penny-inch measurement applies to the common, box, casing and finish nails. Brads and small box nails are specified by their actual size.
Bon Tool Co. has made a serious effort to provide exact and current information, but does not guarantee the accuracy of the data. Bon Tool Co. cannot assume responsibility for the application of information nor guarantee results.