Beadcap 8mm Curled Petal is stamped and formed from brass. The inner dimensions are approximately 8mm in diameter x 9.5mm in depth. The outer dimensions measure approximately 10.3mm in diameter and 10mm in depth. The hole is 2mm and the beadcap weighs in at .002 pounds. Curled Petal Beadcaps are plated in copper, 24k gold and .999 fine silver and then antique them to give them that aged look.