FireKingdom 100Pcs Barrel Bearing Ball Swivel Solid Rings Fishing Connector #3/#7/#8/#9 Material: Copper With high tensile strength. Flexible rotation, not easy to wind around the fishing line Ring handle features unique design in order to reduce water resistance when yielding water and also improve the sensitivity of the group Up and low ring design to ensure that the fishing line can keep maximum vertical and sensitive Package Includes: 100 x Ball Bearing Swivel Solid Rings Fishing Connector