Preciosa Crystal 6.5x13mm Crystal Drops, Sapphire blue with an AB Finish. Beads are about 6.5mm at the widest point and about 13mm in length. Drops are top drilled with the top of the pendant trimmed flat (rather than pointy). Hole size is approximately 1mm. Also called a 451 51 984 or a MC Drop 984. Sold in packages of 4 beads.