United Scientific

Single-pole, single-throw knife switch with plastic base is suitable for low voltage experiments (less than 3.6V). Includes screw connecting posts. Pack of 7

Set of 12 slotted aluminum weights: 9 x 20g, 1 x 10g, and 2 x 5g. Also includes a 50g aluminum hanger.

Egg-shaped magnetic stir bar with blunt edges, 15mm long with a 7mm diameter. High-quality magnet coated with PTFE. Available in multiple sizes and designs. Pack of 2

Heavy-duty polypropylene funnels include a molded-in handle. Designed to provide convenient filling of carboys, drums and barrels. Pack of 2

Pack of 100 steel pins, size #3. Coated with a corrosion- finish. Feature round epoxy head. Pack of 2

Glass plate, 8" x 11". Made of clear soda lime glass, 2mm thick, with ground polished edges. Useful for a variety of general laboratory applications including as a cover, mixing surface, etc.

Double convex lens with 75mm diameter and 150mm focal length. Made from plate glass, with carefully ground and polished optical surfaces, and cleanly ground edges. Pack of 2

Double convex lens with 75mm diameter and 200mm focal length. Made from plate glass, with carefully ground and polished optical surfaces, and cleanly ground edges. Pack of 2

This 3V conductivity tester demonstrates the electrical properties of various liquids. The item consists of a molded plastic lamp socket mounted on a base with two binding posts for connecting a wire...

Dna Model,Pre-Assembled

Thermometer with 5-inch stainless steel probe. Temperature range of 25° – 125°F, shown on a dial display. Includes protective sleeve with pocket clip. Pack of 2

Graduated cylinder with 50ml capacity and double metric scale. Made from borosilicate glass, with pour spout and heavy, uniform walls. Plastic base and bumper guard included (PP). Calibrated to...