This fishing sinker kit includes 4 different sizes of insert nail sinkers, specially designed for bass fishing with Wacky rig and Neko rig setups, compatible with soft plastic lures like pencil baits. Made of high-density metal material, these sinkers offer stable sinking performance and reliable weight to help your lures reach the desired fishing depth quickly. The insert design makes it easy to install into soft lures without damaging the bait structure. It is a practical terminal tackle accessory for freshwater bass fishing, suitable for both beginner and experienced anglers.