With Ruler or Not: No Position: Ocean Boat Fishing Shape: OTHER Type: String Hook Luminous: Yes Electric or Not: Manual With Scale or Not: No and high quality This product is designed for night fishing, the beads are made of luminous materials, which helps attract fish, and the rolling swivels are constructed by premium with fine machining, high strength and sturdy. Suitable for both freshwater and sea fishing, Perfect accessory for fishing lovers. 1. sturdy with high tensile force, anti-rust, . 2. which can help attract fish in night fishing or deep water fishing. 3. good for making a fishing method with more than one swivel. 4. Perfect accessory for fishing lovers, suitable for both freshwater and sea fishing. Luminous: Yes Quantity: 10 Pcs colour: black Material: Carbon steel size: S,4# 15*13mm Package Contents: 10 * Swivels Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.