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An extension clamp is very versatile in setting up distillation or other laboratory equipment. This clamp is 3-pronged with rubber-coated jaws and an aluminum rod. The jaws open to about 3". The rod end attaches to a right angle clamp (not included), which attaches to a support stand (not included). The overall length is 10".
The main advantage of this extension clamp is that the distance of the jaws from the support stand can be easily adjusted by changing the position of rod in the right angle clamp. This feature accommodates almost any lab setup.