100% Brand New and high quality aftermarket golf weights; Weight gram for choose: 5g 10g 15g 20g 25g 30g 35g 40g 45g; The weights compatible with Titleist Scotty Cameron Newport, Studio series, GoLo, California Series, Button Back, Kombi and My Girl; Weights include protective rubber rings seal (O rings) to avoid moisture from entering your putter weight cavity; DO NOT Fit Squareback, Fastback, select roundback, or Detour models; Package List: 2pcs golf weights; The weight should be used with 5-prong wrench; Please double check your original weight screw thread if it is the same as ours before buying the weights.If any question about our product, please feel free to contact us, we will reply you within 24 hours.