
The Burette Clamp With Boss Head, Uncoated Jaws by United Scientific is a boss-head clamp with bare jaws that hold burettes, tubes, and other small objects from 15 mm to 45 mm in diameter. The jaws rotate and lock at any angle, and the clamp fits support rods up to 13 mm (0.5") O.D. With no sleeve to wear, it suits labs clamping metal or plastic items as well as general titration setups.