TOHO TRANSPARENT RAINBOW MED. AMETHYST beads are machine manufactured in Japan. Their uniformity of size and shape makes them a perfect fit for almost any project. TOHO beads are made of glass. TOHO beads have a large hole which allows for multiple-pass stringing, and more creative options in your bead work. 

SIZE-8 #166B Toho Round Seed Beads specifications:

• Color: #166B
• Shape: Round
• Size: #8  
• Material: Lead-Free Glass 
• Country: Japan
• Measurements: 3 mm in diameter 
• Hole size: 1 mm - 1.2 mm (approximately)
• Quantity: sold in 2.5” plastic tubes (8-9 gram, approximately 330 beads)
• Note: quantity is an approximated average measure that varies depending on bead color and finish