BLUE MOON BEADS Noir Collection. Exquisite beads; pendants; charms; chains and findings made of a variety of materials including acrylic; metal with both a black and black nickel finishes and more. This package contains 250 Black Nickel Round and Oval Jump Rings: Round-3mm; Oval-5mmx8mm; 6mmx9mm and 8mmx10mm. Imported.