Holds 6–8 mm (¹/₄– ⁵/₁₆") diameter glass tubes and thermometers 114 mm (4¹/₂") from support rod.

• Safety-adjust spring plate jaws
• Q-clamp design
• Adjustable to any angle with locking wingnut
• Lightweight
• Resistant to corrosion and rust
• Nickel-plated zinc construction

Features safety-adjust spring plate jaws and Q-clamp design. Adjusts to any angle with locking wing nut. Lightweight, rust- and corrosion-resistant. Made of nickel-plated zinc. Built-in holder grips rods to 19 mm (³/₄").