Made of Aluminum alloy.? The frequency and scale letter is stamped on each fork.
United Scientific Supplies Inc.
United Scientific Supplies, Inc. specializes in manufacturing lab supplies and science educational products. Top selling lab supplies include borosilicate glass beakers, mortars & pestles, crucibles, and desiccators. Kits and assortments are also available when a selection of materials are need for chemistry, biology, or general laboratory use. Additional United Scientific Supplies offers science teacher/student activity guides. These help teach measurement concepts, physics, optics, physiology and much more.