Simpson Strong-Tie N10HDGPT500 1-1/2" x .148 Joist Hanger Nails Galvanized 33 The Simpson Strong-Tie 30-33 degree Collated Structural-Connector Nail is designed to provide installers a pneumatically-driven alternative to hand-driven nails. The nail is approved for use in many popular Simpson Strong-Tie products and serves as a replacement for 8d, 10d, and 16d hand-driven common nails in a variety of Simpson Strong-Tie connector applications. Features .148-inch by 1-1/2-inch Size 500 Per Box Convenient 500 Count Packs Heat-Treated Carbon Steel Hot-Dip Galvanized Coating, Imported USA SHIPPING estimates delivery times and we work to get your item to you as quickly as possible and within those times, but please know it may take slightly longer than the estimate.