Simpson 1-1/4 in x 0.12 Smooth-Shank 15-Deg. Wire Coil Roofing Nails 304 Stainless 2400-Pack DIY Pergola Hardware Kit 12/22 is a heavy-duty top-flange

12/22 is a heavy-duty top-flange hanger engineered specifically for structural composite lumber (SCL) header applications demanding high load performance

Table Size (L x W): 12 x 54 In

and why would I need to change it

Allows easy installation of 4x4 wood posts without digging holes or pouring concrete

repeatable bends across a full range of applications

Simpson 1-1/4 in x 0.12 Smooth-Shank 15-Deg. Wire Coil Roofing Nails 304 Stainless 2400-Pack DIY Pergola Hardware Kit 12/22 is a heavy-duty top-flangeThe Simpson S11N125RNJ 1 1 4" x 0. 12 Smooth Shank 15 deg. Wire Coil Roofing Nail in Type 304 Stainless Steel delivers reliable, corrosion resistant fastening performance for roofing applications. Featuring a full round head, diamond point, and smooth shank, these 11 gauge, 3d penny nails are engineered for clean, consistent driving in compatible pneumatic coil roofing nailers. Manufactured in the United States and packaged in a 2,400 count coil, they