Features: Make of high-strength stainless steel, rustproof, smooth. Plastic round hole will not frays your fishing line. These fishing line sinkers slides hook shank connectors can bear more tension, providing accurate placement when casting line in deep water. No leakage around the hole, easy to thread. The high stretch rolling swivels allows for twisting without tangling and harming your fishing line. Easy to use: Put the fishing line through round hole and tie the fishing line sinkers slide to another swivels. The fishing line sinkers slider making it easy to throw line into the water when you fishing, help you sink the fish line deep, carry more tension and offer accurate location when casting line deep in water. Specifications: Component: Stainless Steel Style: Enhances/B Type Size: Small/Mediums/Large Apertures: 1mm/0.04inch Package Includes: 100pcs Fishing Float Connector note: Please allow 1-2cm errors due to manual measurement, make surely that you not mind before order. Due to difference between different monitors, the picture may not reflect the actual color.