The vortex hole is placed at the rear and the center of gravity is at the front. It is effective when the tide is fast.It is symmetrical and has three curved surfaces (height 0.8 mm) from the center to the head. A front heavy balance jig with two vortex holes (3.5 mm in diameter) placed at the end position. Time to reach the bottom of the jig Even when the line is being fed, the movement of the jig is transmitted from the line so that it can be picked up.Equipped with vortex technology system.Front heavy balance.Silver phorogramm.S I P GLOW under the body.Thickness : 8.7 mm.