Size: Choice of 3mmx6mm or 4mmx6.5mm (Width x Length)
Hole size : 0.8mm hole for 3mmx6mm beads; 1.3mm hole for 4mmx6.5mm beads
Quantity: Choice of 10 or 50 beads
Please note: the image is zoomed in to show details, please refer to measurements for the real size