1.This is a push rod counterweight screw. It is made of aluminum alloy and tungsten metal, beautiful and durable
2.Putter Weights Material:It is high quality aftermarket golf weights5g made by Aluminum Alloy,10g-20g made in Stainless Steel,25g-35g made in Tungsten Steel
3.Putter Weights include protective rubber rings seal O rings to avoid moisture from entering your putter weight cavity