Description - DeWalt DCS16150 1-1/2" 16 gauge finish nails are cold worked carbon steel and hot dip galvanized. a process that ensures each nail resists rust and moisture resists.These 1-1/2" 16 gauge nails are ideal for finishing and are packaged in quantities of 2,500. Not sure if DeWalt or Revain are to blame for the labeling confusion, but they must be saved for internal projects and purchased galvanized for future outdoor use.