Frey Scientific 574107 4 Piece Ring Stand Set

The Frey Scientific 574107 support stand has 3", 4", and 5" outside diameter rings with adjustable clamps for laboratory use. The stamped steel support stand base measures 5 x 8 inch (W x D) and a 20-inch length steel rod screws into the base. (W is width, the horizontal distance from left to right; D is depth, the horizontal distance from front to back.) The clamps have a T-handle screw for mounting to the steel rod.

Science education products incorporate applied math and science principles into classroom and homeschool-based projects. Teachers in pre-K, elementary, and secondary classrooms use science education kits and products alongside science, technology, engineering, and math (STEM) curriculum to demonstrate STEM concepts and real-world applications through hands-on activities. Science education projects include a broad range of activities, such as practical experiments in engineering, aeronautics, robotics, energy, chemistry, physics, biology, and geology.

School Specialty manufactures and distributes instructional materials and supplies under dozens of brands, among them Abilitations, Think Math, Speech Bin, Delta Education, Frey Scientific, Sax, Sportime, Childcraft, and School Smart. The company, founded in 1959, is headquartered in Greenville, WI.