Specifications: Rolling barrel swivels are made of premium metal, sturdy with high tensile force, anti-rust, durable. Luminous bead is made of quality acrylic, which can help attract fish in night fishing or deep water fishing. With 2 sizes for you to choose, good for making a fishing method with more than one swivel. Ideal accessory for fishing lovers, suitable for both freshwater and sea fishing. Type: Fishing Swivels Quantity: 20Pcs Material: Acrylic + Metal Features: Luminous, Easy to Use, Durable, Fishing Accessories S Size: 15mm x 13mm/0.59" x 0.51" (Approx.) L Size: 18mm x 16mm/0.71" x 0.63" (Approx.) Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 20 x Fishing Swivels