Crystal Silver Bugle Beads Size 5 Czech Silver Lined (1.5 Ounces - One Hank) High quality Czech Size 5 glass bugle beads. Size 5 bugles are 1/2 inch or 12mm long. Bugle beads are small tubes of glass. They can be used as a stringing bead or for woven beadwork. The larger size and beautiful color range make these bugles useful as a beadwork and jewelry bead. Use with nymo thread sizes D, B and size 10 or 12 English beading needles. Approximate pack specifications: 1.5 ounces: hank or hank equivalent of 12x20" strands, 480 beads.