Approximately 12x13x2mm silver plated Britannia pewter TierraCast® large vine briolette bails, 1.3-1.7mm loop. Antiqued silver plate is a thin surface layer of silver that has been darkened to provide a "distressed" (oxidized) appearance. Side-to-side hole alignment. Designed specifically for Swarovski #6012 15mm crystal flat briolettes. Measurements include blank loop.