About this item

• Ergonomic Finger Grips: designed to easily manipulate and securely hold test tubes with finger grips
• Set of 5 Clamps: 5-pack; 6.5 inches (16.5 cm) overall length
• Compatible with Standard Test Tubes: for use with test tubes up to 50 mm in diameter
• Durable and Rust-Resistant: 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