Double Concave Lens, 300mm Focal Length, 3" (75mm) Diameter - Spherical, Optically Worked Glass Lens - Ground Edges, Polished - Great for Physics Classrooms - Eisco Labs industrial_Oct2022 WELL MADEMade of 100% polyester

WELL MADEMade of 100% polyester

Ensure that the pliers are stored independently and upright to protect the jaws

If you were looking for any of these benefits

Grown in natural environment of Siberia leading to highest nutrient expression

Length: Available in 150m and 200m lengths

Double Concave Lens, 300mm Focal Length, 3" (75mm) Diameter - Spherical, Optically Worked Glass Lens - Ground Edges, Polished - Great for Physics Classrooms - Eisco Labs industrial_Oct2022 WELL MADEMade of 100% polyesterDouble Concave Lens, 300mm Focal Length, 3" (75mm) Diameter Spherical, Optically Worked Glass Lens Ground Edges, Polished Great for Physics Classrooms Eisco Labs Product Features DOUBLE CONCAVE Highly polished, double concave lens SPHERICAL Lens measures 3" (75mm) in diameter 300MM FOCAL LENGTH Diverging lens with a 300mm focal length OPTICALLY WORKED GLASS Made of high quality, optically worked glass. Highly polished with ground edges GREAT FOR