Simpson Strong-Tie N10DHDGPT500 30-33-Degree Collated Structural-Connector Joist Hanger Teko Nail, 2-1/2-inch x 0.148-inch, 500 per Box .148-inch by 2-1/2-inch Size 500 Per Box Convenient 500 Count Packs Heat-Treated Carbon Steel Hot-Dip Galvanized Coating