"GSC International"

Size Top Diameter Bottom Diameter

Size 1 11.1 mm 8.3 mm

Size 2 12.7 mm 9.5 mm

Size 3 14.2 mm 10.7 mm

Size 4 15.8 mm 11.9 mm

Size 6 19.0 mm 14.6 mm

Size 20 41.2 mm 34.0 mm

Used for securing support stands to lab benches and for a multitude of other applications.

Handheld generator producing static electricity through friction, ideal for classroom experiments.​

Deflagration Spoons are commonly used in experiments that require students to burn phosphorous, sulfur, or other substances at a safe distance.

The linked spring series set of five springs can be used as an investigative tool in understanding Hooke's law.

Use the two sets of symmetrical round jaws for simultaneously holding two round objects, each up to 35 mm in diameter. Each of the rubber-coated clamps rotates 360° and may be locked at any angle. The unit attaches to any standard support rod up to 13 mm in diameter.

An interesting and unique kit designed for hands-on exploration of electrochemical principles.

Useful for exploring the build-up of static electricity in physical science classrooms.

A very simple and visual demonstration of the level of conductivity of almost any solution.

This set is made from high-quality borosilicate glass and all joints are ground 19/22.

Unique, compact, and affordable staple for your lab!

Shelf Life (months): Indefinite
Storage: Green

This nickel-plated spoon and spatula tool is 14.9 cm long.

Osmosis Basic Experiments Have Never Been Clearer.

An inexpensive fresnel lens measuring 47×67×1 mm thick with a viewing area of 79×42 mm.

This burner stand has an adjustable platform to hold a burner anywhere from as little as 1" to nearly 6" from the top of the stand.