Description: It is particularly important to use for lure fishing, applicable to soft bait, hard bait, lead head hook, spinners, etc. Connector can be connected conveniently and fast. The flying fishing, pole line, connecting the monster, almost all the fishing will use it. You are worth it. Hope you will enjoy your fishing. Features: 1. Made of copper body with welding ring, which is very durable and strong. 2. Smooth action, rotating without limit and reduce twist to minimum. 3. Excellent corrosion resistance, abrasion resistance and shock resistance. 4. On the case by the strong force, it can rotate flexibly. 5. It is applicable to many different kinds of fishing, it is your good helper. Specifications: Material: Copper Color: Luminous Model: 2 , 4 (optional) Package Weight: approx. 16g(2 ), 23g(4 ) Size(L x W): approx. 1.5 x 1.3cm / 0.6" x 0.5" (2 ), 1.9 x 1.5cm / 0.7" x 0.6" (4 ) Quantity: 30pcs Package Included: 30 x swivels connector Note: 1. Please allow 1-3cm error due to manual measurement. Thanks for your understanding. 2. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please in kind prevail.