Keel Klamper is made of metal and special nylon and it even holds the tiniest parts.  The two adjustable clamps run on the aluminum bar and revolve completely allowing positioning and holding of all objects. The adjustable and  revolving column  allow you to position your work just where you want it. The metal base can be attached to a bench top with the clamps (included in the kit) or permanently screwed . Use it for every stage of ship model construction from planking the hull to deck detailing and rigging. The aluminum bar is 40 cm in length.