This listing is for 1# of Type 316 Stainless Steel Simpson/Swan Secure 3" X 9 Gauge 10d Smooth Shank Common Nails . These Nails are excellent for marine applications or areas where they could be exposed to chemicals or extreme weather environments. Swan Secure was purchased by the Simpson corporation which sells the same exact nail through their many distributors world-wide. I have approximately 60# of these nails. Pricing: 1 - 4 pounds for $25/pound. 5-25 pounds for $18/pound. 26 - 50 pounds for $15/pound. Because of the weight, the nails will be shipped in small, medium or large flat rate boxes, depending on how many you buy.