This unique design allows for increased vibration as water passes through the vented blade. Less speed is required to rotate the Hydro Vibe blade when compared to other solid blades, allowing the rig to be pulled at even slower speeds for maximum fishability. This exclusive design allows for increased vibration as water passes through the vent in the blade. Requires less pulling speed for blade rotation. Two metal bearing beads support the clevis for maximum blade spin & rod tip response. Stainless steel wire shaft and rigid hook design provide strength and full body vibration. Corrosion-resistant VMC Perma Steel treble hook.