Backed by a rich industry experience, we are offering our clients a wide assortment of Brass Single Weight that is fabricated using finest quality raw material. This makes it even more accurate and suitable for sensitive scales. All mass standard are manufactured from the finest stainless steel, brass, and aluminum available, that has low magnetic permeability, uniform consistency and high resistance to corrosion. Specifications: Material: Brass Density: 4.96g/cm1 Class: E2/E2 weights Mass Standard: Class E 3/E5