HIGH QUALITY: Barrel swivel made of solid copper and stainless steel with gold nickle coated, durable and strong NO TWIST: Barrel swivel allows for smooth rotation; Keeps twisting to a minimum APPLICATION: Great for various rigs and leader. High performance in bass fishing, ideal for freshwater and saltwater fishing VARIETY OF OPTIONS: various size for different situation. Size: 10#,8#,6#,4#,3#,1#,1/0,2/0,3/0,4/0,5/0,6/0. Test strength from 35-165lb Package: 50pcs/100pcs per pack Barrel swivel