Multicolor CCB Wheel Spacer Beads (5mm/400 pieces) Flat/ Round used for jewelry making. These are brand new, never used. Cleaning out my craft supplies a little at a time in hopes someone else can make good use of them! These are 5mm in diameter, 2mm thick, with a 1.6 mm hole for stringing. There are approx 400 pieces of various colors. See photos as part of the description. CCB is copper coated alloy