The Set of 3 FISHER Chain Clamps in blue vinyl coated is intended for use in various laboratory settings such as physical, chemistry, microbiological, and biological labs. Made by Fisherbrand in the United States, these chain clamps are sold individually. Perfect for securely holding and transferring test tubes or other lab equipment, these chain clamps provide a reliable and efficient way to manipulate specimens in a laboratory setting. The blue vinyl coating adds a touch of color to the otherwise standard Fisherbrand chain clamps, making them easy to locate and use in a laboratory environment.