Solid brass screw cups for a highly professional and flush finish. Commonly used with brass countersunk screws for decorative finish or for panels where frequent removal and replacement may be required. Drill hole Ø size provided is a guide only and may vary in woods with varying hardness. We recommend cups are covered before gently tapping into place to avoid damage to both brass and timber.Solid Brass.Drill hole Ø size provided is a guide only and may vary in woods with varying hardness.We recommend cups are covered before gently tapping into place to avoid damage to both brass and timber.