Standard Test Tube Holder

MX-10943

Glass lens, convex to provide the magnification; Magnifier 3 inches in diameter; Plastic frame around the lens and a handle to hold it by

MX-11077

Beaker tongs made of high-quality metal. The jaws that contact the beaker measure 6.5 x 8.5 cm and adjust from 0 - 20 cm, so they fit beakers of every size. The jaws are lined with heat-resistant asbestos that prevents the beaker or glassware from breaking, and are used to hold beakers or glassware while still hot, for example after boiling a solution.

MX-11066

A boss head, or connector, for fixing apparatus to a stand when setting up equipment for scientific experiments and research — for example holding a condenser clamp on the stand in a distillation set, fixing a test-tube holder or an iron ring to the stand for boiling or heating substances, and holding other physics and chemistry apparatus.

MX-11067

Made of high-quality rust-proof plated metal, highly durable with a service life of more than 10 years. Holds burettes on both sides (left and right), with plastic rollers that grip the burette firmly without breaking it. Suitable for burettes of many sizes, from 10 ml, 25 ml, 50 ml and 100 ml.