Designed with the purpose of giving anglers a hook with an extra long shanks, the 4540 1/2 has an extra half length of shank over a standard long shank hook.
With the traditional Kendal Kirby pattern the 4540 1/2 allows longer baits like worms, grubs and saltwater yabbies to present perfectly with a quick half hitch around the bait and the hook eye to keep everything in place.