Made of ABS plastic, Reliable,High tensile strength,Corrosion resistance,Suitablefor use on any fishing line in seawater or freshwater. The downrigger clips are suitable for accessories and tools of fishermen and fishing enthusiasts, great for downrigger, outrigger, boat, kite and planer boards fishing. Small size,Light weight,With O-ring, Easy to carry. Adjustable thread tension,Easy one-hand tension release. The package includes 10PCS quick-release fishing line clips. Specification: - Material: Plastic - Length: 4.8cm / 1.9inch - Width: 1.1cm / 0.43inch Package Includes: 10 Heavy Duty Release Clips