Split Shot Fishing Weights are made of pure lead. Round,The unique streamlined design reduces the resistance fall into water. Split Shot Sinkers,12 size removable fishing weights sinkers Great for changing situations by allowing you to adapt by adding and removing weights, Can quickly connect a variety of fishing hooks to meet fishing friends fishing in any waters. The fishing sinkers weights are designed split shot, you can put the fishing line into the groove of the split shot sinker weight, and use finger to squeeze the sinker weight firmly to make the line be tightly hold, they are very easy to put on and remove. One of the most commonly used weights; an important part of every tackle box.these weights are small, please check the weights when you order them