6mm round beads hole size - approx 0.8mm - 1mm. 10mm round beads hole size - approx 1mm - 1.2mm. 8mm round beads hole size - approx 1mm. 4mm round beads hole size - approx 0.6mm.

Size (mm): 4
Shape: Round
Main Colour: Purple
Subtype: Amethyst
Type: Gemstone
Purpose: Jewellery Making