CY-Buity 100pcs Black + White Mini Durable Practical Outdoor 3 Way Fish Triple Rolling Swivel Glowing Beads Night View T-type glowing 3-way swivel, suitable for being through fishing line and being tied to hook, suitable for night fishing, glowing beads are made ??of special material, light is obvious in the night. T-type structure does not make fishing line knotted, or twisted, affecting fishing experience, lightweight and convenient. apart from T-type and glowing beads, other functions similar to rolling swivel, high quality and affordable price accessories. Ring interior diameter: about 1.750.02mm. Ring external diameter: about 3.50.02mm.