This crystal set includes clear quartz stick points with an approximate 1.0mm hole size and a length of 15.5 inches. There is a possible +/- 0.2mm difference. The beads come in two sizes with 39 stick points in the 25-30mm range and 34 in the 35-40mm range, and each has a possible +/- 0.5mm difference. This crystal set is carefully graded and polished to ensure a consistent size and quality. Its size and shape make it perfect for adding to jewelry and crafting projects.