Double Convex Lens, 150mm Focal Length, 2" (50mm) Diameter - Spherical, Optically Worked Glass Lens - Ground Edges, Polished - Great for Physics Classrooms - Eisco Labs sold2024 Summary Description: -ALL-Purpose Silicon Squeegee

Summary Description: -ALL-Purpose Silicon Squeegee 8 inches

round corner adjustable latches that fit most doors

the clear color fit all types of earrings

It is very convenient and portable to carry

Double Convex Lens, 150mm Focal Length, 2" (50mm) Diameter - Spherical, Optically Worked Glass Lens - Ground Edges, Polished - Great for Physics Classrooms - Eisco Labs sold2024 Summary Description: -ALL-Purpose Silicon SqueegeeDouble Convex Lens, 150mm Focal Length, 2" (50mm) Diameter Spherical, Optically Worked Glass Lens Ground Edges, Polished Great for Physics Classrooms Eisco Labs Product Features DOUBLE CONVEX Highly polished, double convex lens SPHERICAL Lens measures 2" (50mm) in diameter 150MM FOCAL LENGTH Converging lens with a 150mm focal length OPTICALLY WORKED GLASS Made of high quality, optically worked glass. Highly polished with ground edges GREAT FOR PHYSICS