Simpson 4-1/2 in. 30d Annular Ring Shank Common Nail Type 316 Stainless 6 Ga 0.203 in. Shank 25 lb. Roofing Nail - Annular Ring Shank What makes this an "end"

What makes this an "end" column cap rather than a standard column cap

and thinner exterior wood components

Holds tighter than smooth-shank nails - the annular ring shank mechanically locks into wood fibers

Height: 13-7/16 in

extending motor life and reducing maintenance downtime on the job site

Simpson 4-1/2 in. 30d Annular Ring Shank Common Nail Type 316 Stainless 6 Ga 0.203 in. Shank 25 lb. Roofing Nail - Annular Ring Shank What makes this an "end"Simpson T30ACNB Common Nail, Annular Ring Shank 4 1 2 in. x . 203 in. Type 316 Stainless Steel (25 lb.) is a heavy duty fastener from Simpson Strong Tie engineered for demanding exterior and permanent wood foundation applications. Built with a 30d annular ring shank profile and forged from Type 316 stainless steel, this common nail delivers severe level corrosion resistance alongside exceptional withdrawal resistance making it a trusted choice for