S/L Crystal TW206-1 Miyuki Twisted Bugle 2x6mm - Matte Black. The Miyuki Twisted Bugle is a great way to add some more character to your beading designs. Use them in place of the regular 6mm bugle bead to add more texture and shine to your projects. Miyuki glass beads are known for their high quality and uniformity. The hex cut of the twisted bugle creates a spacer with unique style. Miyuki Twisted Bugle beads measure 2x6mm, have a .8mm hole and come in a tube of approximately 375.