The 3D Magnum deep diver features a tough polycarbonate body, 3x strong treble hooks and through wire construction making it the most durable trolling lure of its type on the market. Yo-Zuri proprietary and patented internal 3D Prism finish, coupled with our internationally patented color change technology, makes these Baits stand out in any fishing condition!!! they are designed to be fished with a crimp, loop knot, cable or single strand wire, to give the bait the freedom to swim correctly. 3D Magnum deep divers are particularly deadly on grouper due to the "wide wobble" Nature of this bait. This versatile trolling lure can be pulled from 4-9 knots with a wide swimming action and runs true out the box, no tuning necessary! the 3D Magnum deep diver comes in one size and eight color patterns to cover a variety of fishing conditions and species specifications: 3x strong trebles