Metallic Matte Blue KHEOP 23980/79031 Kheops par Puca - These durable pressed Czech glass beads are a triangle shape bead with 2 parallel holes to expand your bead weaving and stringing opportunities, use them as points or put them together to form circles. Kheops par Puca beads measure 6mm, have .8mm holes and come in a tube of approximately 65.