The American Educational 7-G12 Stoddard-type test tube clamp is used to clamp test tubes for safe handling. The Stoddard-type clamp has a spring-action self-closing mechanism to ensure a safe hold with the correct pressure. Nickel-plated steel wire construction is durable and resistant to corrosion. The clamp is 5" in length.

American Educational Products manufactures learning materials in math, science, and reading/language arts for students in pre-kindergarten through grade 12. The company, founded in 1986, is headquartered in Fort Collins, CO.