Multipurpose Aluminum Clamp Holder, up to 16mm Rods Manufacturer_Innovating Science Ten rocks and ten minerals

Ten rocks and ten minerals pair in this 20-piece specimen set for side-by-side identification practice in introductory geology coursework

Spare clamp set for securing the Hoffman voltameter onto any retort stand

and crime scene investigation

Non-conductive and waterproof fifteen-meter fiberglass tape measure with PVC coating and a flush winding handle

Multipurpose Aluminum Clamp Holder, up to 16mm Rods Manufacturer_Innovating Science Ten rocks and ten mineralsAll aluminum multipurpose clamp holder with metal body and screws, gripping square or round rods up to 16 mm and mounting to table edges or boards of equal thickness.