Simpson 1/4" x 2-1/2" Zinc Nailon Pin-Drive Anchor ZN25212 PACK:100 Pk What makes this an "end"

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

DHPD - Deck-Drive Hardwood Screws

thick walls when used with nominal 2x formboard

10-inch drilling depth accommodates a wide range of project requirements

Simpson 1/4" x 2-1/2" Zinc Nailon Pin-Drive Anchor ZN25212 PACK:100 Pk What makes this an "end"Simpson ZN25212 Zinc Nailon 1 4 in. x 2 1 2 in. Pin Drive Anchor by Simpson Strong Tie is a light duty mechanical anchor engineered for fast, reliable installation under static loads. Designed for use in concrete, grouted and hollow CMU, and brick, this carbon steel pin drive anchor expands upon installation to create a secure hold. Its low cost design and tamper resistant mushroom head configuration make it a dependable choice for contractors and