Check the listing for details. Gamakatsu 520 Double Assist Hook 2 pack Vertical Jigging Lure Replacement Hook. Condition: New. Listed at 10.98 USD. Gamakatsu 520 Double Assist Hook 2 pack Vertical Jigging Lure Replacement Hook Gamakatsu's Double Assist hooks are designed for fast and easy replacement on all types of butterfly, flat fall, and "iron" jigs.6 inch super strong braided line loop can be adjusted to position each hook at the exact desired length, even or offset.Red heat shrink tubing on the hook shank is an added attractor and prevents chafing and bite-offs.Hooks are forged and barbed.Available in 2/0 and 4/0 in packages of 2. Gamakatsu's Double Assist hooks are designed for fast and easy replacement on all types of vertical, butterfly, flat fall, and "iron" jigs. The 6 inches of super strong braided line loop can be adjusted to position each hook at the exact desired length, even or offset. Red heat shrink tubing on the hook shank is an added attractor and prevents chafing and bite-offs. Hooks are forged and barbed. Available in 2/0 and 4/0 in packages of 2.