4pcs bait thread, wonderful accessory for amateur and professional anglers. Features: 4Pcs each pack, long thread per piece. Stops bait from flying off the hook while casting out. Easy to use, no knots necessary, just twist around the bait and tighten. Ideal for keeping you baited rig tidy when casting. Designed for amateur and professional anglers. Specifications: Line NO.: 1 / 2 / 3 / 4 / 5 / 7 (optional) Quantity: 4 pcs Dimension: 64 * 17mm / 2.5 * 0.7in Weight: 7g / 0.2oz (per piece) Line NO. Line Length Line Diameter 1 200M 0.1mm 2 200M 0.15mm 3 200M 0.2mm 4 100M 0.25mm 5 100M 0.3mm 7 50M 0.5mm Package List: 4 * Elastic Bait Thread