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The sturdy, 4 inch extension spring provides the perfect tool for studying motion of mass on a spring, Hooke's Law, potential energy, etc. It provides a visually and kinesthetically effective method for studying the physics of springs.
Started over 50 years ago as a small, family-owned manufacturing company, Eisco now produces over 6,500 product lines for the science education and scientific research markets. They have headquarters in both India and the US, and serve hundreds of distributors around the world.
Their core products include glassware, physics apparatus, biology models & equipment, and chemistry lab supplies. Products are designed by a team of laboratory professionals and engineers with quality and durability in mind.