This StonyLab 3-prong extension clamp is used to securely hold almost any type of apparatus and glassware with non-slip rubber-coated jaws

Constructed with an 18cm (7'') extension rod, this clamp can be attached to a lab-frame or other apparatus by using a boss head clamp

The adjustment screw helps provide precise pressure regulation and reduce chance of glassware breakage

Maximum grip size of 90mm (3.54'')