100pcs High Strength Copper Barrel Rotate Ring Swivels Fishing Accessory (4#) Features: Made of premium metal material, sturdy, anti-rust, anti-corrosion, durable. Excellent flexibility ensures perfect swiveling, high strength and resistant to heavy dragging of fish. Fine machining makes the hole sleek and not harmful to fishing line. Easy e, barrel design offers better stability, dual rings on two ends are good for attaching lures and hooks. 4 sizes for you to choose to meet your different needs, ideal accessories for fishing lovers. Specification: Material: Copper Color: Shown as picture Type Options: 2#; 4#; 6#; 8# Size Reference: Type Length(mm/inch) Weight(g) Tensile Force(kg/lb) 2# 17/0.67 49 40/88 4# 14/0.55 32 33/72 6# 12/0.47 20 28/61 8# 10/0.39 12 18/40 Package List: 1 x Pack of Swivels (100pcs)