About this item

• Designed to easily manipulate and securely hold test tubes with finger grips
• 5 pack; 6.5 inches (16.5 cm) overall length
• For use with test tubes up to 50 mm in diameter
• Durable and sturdy constructed, clamps are anti-rust and self-closing
• Warranty: StonyLab 1-year limited warranty; if received damaged, please contact us immediately; we will solve it until satisfied
• ASIN: B0928XN2SL