* 3 finger lab clamp and black lab stand clip for laboratory use, Hold Test Tube, Flask, Condenser Tube and so on.
* Clamp Holder Boss Head is large, easy-to-rotate knobs help provide extra leverage to easy and accurate adjustment.
* 3 finger clamp accepts rods up to 20 mm, 3 prong dual adjust extension clamp
* 3 Rubber Coated Prong Jaws Strong die-cast construction,Made of Zinc-alloy Covered jaws for protection and grip,Holds Irregular Shapes Easily
* A clamp holder is used for holding a clamp in medical labs and research institutes.Great for stabilizing clamps where you don't need extraordinary support,Excellent laboratory iron clip,an usual clamp accessory in the lab,also suitable for home use.