
The Single Burette Clamp, Stainless Steel by United Scientific pairs an all-stainless steel jaw with a die-cast aluminum bosshead for mounting on support rods up to 13 mm (0.5") O.D. The rounded, PVC-coated jaws open from 15 mm to 45 mm, grip round tubes securely, and rotate and lock at any angle. It is used to hold burettes, tubes, and thermometers in chemistry teaching and research labs.