Succeeded in arranging a vortex hole in the center position and making a well-balanced hole.Especially effective for hairtails and root fish.It is symmetrical, center-balanced, and has a gentle concave curved surface (1.5 mm deep) on the sides. A vortex hole (3.5 mm in diameter) is placed at the center of the body, and GLOW (phosphorescent, night print) is applied to the entire side surface when the eyes are seen to the right to visually appeal to the target.Equipped with vortex technology system.Center balance.Silver phorogramm.Body side / bottom S / I / P GLOW included.Thickness : 5.4 mm