Finish Nails have heads that are rectangular. They are the same width as the shank, but the breadth of them is greater than the shank. This ensures that their holding power is enhanced, but of course the pull through force is lower than for nails with larger, Round or Clipped Heads. Primarily used for finish and trim work in the construction and joinery industries.A Bulk Pack of 2,500 50 mm 16 Gauge Straight Finish Nails for use with Stanley Bostitch Finish Nailers.Length : 50 mm.Pack : Box of 2500. SB16-2.00 Straight Finish Nail 50mm Galvanised Bulk Pack 2500