9KM 10-20Pcs Heavy Duty Copper Swivels Rust Resistant Saltwater Fishing Swivels for Tuna Shark Terminal Tackle

【Extremely Strong】Made with high quality stainless steel. 9KM heavy fishing swivel can bear double pulling force than other fishing swivels. Ideal for heavy duty big game fishing.【Nickel Plating Process】The entire snap swivel is plated by corrosion resistant nickel with a smooth surface that will not fray fishing line. Heavy swivel have excellent corrosion resistance, rust resistance, abrasion resistance, impact resistance, and can be used in saltwater or freshwater.【Free Rotation】Special jointed design deliver ultra-smooth rotation and minimum twist, helps you get rid of line twists. Can maintain smooth movement even if it rotates at a high speed.