High quality aftermarket golf weights; Weights include protective rubber rings seal (O rings) to avoid moisture from entering your putter weight cavity; Weight gram: 2x15g 2x20g; The aftermarket weight compatible with Titleist Scotty Cameron putters: Newport, Select Newport, Phantom, GoLo, Futura, California, Button Back, Kombi, My Girl, CX-02; DO NOT Fit Squareback, Fastback, select roundback, or Detour models; Please double check your original weight screw thread if it is same as ours before buying the weights; Package List: 4pcs golf weights (2x15g 2x20g) with wrench and case; The aftermarket weight Fit Titleist Scotty Cameron Newport Phantom GoLo Futura California Button Back Kombi and My Girl putters