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The Bionik 504 is a Heel-shafted mallet head with the biggest, boldest alignment qualities of the Bionik 500 Series. Lower center of gravity completes this great forgiving design.
Buy the recommended shaft, the Apollo Straight Putter shaft, here!
THESE ARE HEADS ONLY! If you are looking for complete, custom clubs, go here.
To order a headcover, go to our Headcover page.