Features: Durable Material: The spring pin are make of quality stainless steel material, with high elasticities, and not rust, reliable to use. Feature: Rings handle design in order to reduce water resistance when yielding water and improve the sensitivity of that group. Flexible: The twisted lock has flexible rotations, not easily to wind around the fishing line, simple design for easily operation. Easily to Use: Fixed firmly, easily disassembly, its easily attach to hook eyes and securely screw into any soft plastic baits. Practical: High tensile strength, small size, convenient to carry and storage, suitable for soft baits and hook, perfect baits accessories. Specifications: Material: Stainless Steel Color: As The Picture Shows Package Weight: approx.15g Single Size: approx.14x4.5mm/0.55x0.17in (More Size Detail, Please See Photo. Note: Please allow 1-3mm error due to manual measurement. Please make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thanks! Package includes: 100Pcs Fishing Hook Spring