Features: Engineered with triple 8 shaped rings and heavy duty stainless steel construction, these fishing connectors withstand up to 20kg pull force for secure tackle connection that prevents line breaks during intense freshwater/saltwater angling. The erosion resistant brass enhanced design offer 3x durability standard iron models, featuring tool easy snapping installation for instants rigging adjustments while maintaining smooth swivels motion. Ideal for professional tournament anglers. Perfectly adapts to multiple fishing scenarios simultaneously attach crankbaits, spoons, and sinkers during pier casting, boat trolling, or ice fishing expeditions without compromising knot integrity. Bulk 50 pack organization solution streamlines gear preparation, compactly storing in tackle boxes while ensuring backup connectors for sudden lure changes or unexpected fish encounters. Specifications: Component: Stainless steel + copper Size: 5#: 3.9cm in length; 6#: 3.7cm in length; 7#: 3.4cm in length; 8#: 2.9cm in length; 10#: 2.6cm in length attribute: 50pcs Applicable scenarios: outdoor fishing Package Includes: 5# character rolling swivels + pin connector x10 6# character rolling swivels + pin connector x10 7# character rolling swivels + pin connector x10 8# character rolling swivels + pin connector x10 10# character rolling swivels + pin connector x10 note: Please allow 0-1cm error due to manual measurement. 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. Thank you!