Metal with vinyl cover.
Instantly holds firmly, or releases, any two burets- micro to 100ml. Buret graduations and meniscus are completely visible for all buret sizes. Locks to support rods by thumb screw in front. Each buret is held independently. Vinylized jaws give non-slip grip and resist acid, alkali, or solvent attack. Fits support rods up to ½"(13mm).
