Patented 2 part body made of machined brass Brass stamped blades Stainless steel shaft Body emits sonic vibration when free turning gear rubs against the Vibrax bell VMC Hook is extremely sharp for quick penetration and perfectly tempered for strength This 45degree blade runs between 2 and 4 feet deep. A standard for every anglers' arsenal, the patented two-part body emits low-frequency sound vibrations that attract fish and trigger strikes while virtually eliminating line twist. The blade and main body are brass with silver or copper plating; patterns are painted or printed. Premium treble hook included.