SPECIFICATION: * COLOUR: Silver * MATERIAL: Nickel-plated steel * AVAILABLE SIZE: * 100g - 22mm x 39mm (2.2cm x 3.9cm) Diameter x Height * 200g - 28mm x 46mm (2.8cm x 4.6cm) Diameter x Height * 500g - 38mm x 63mm (3.8cm x 6.3cm) Diameter x Height These scales are made of nickel-plated steel and iron plating to ensure precise weights. The scale weights are designed with high precision and have a permissible error of +/-0.003g. The construction is made of heavy-duty steel for long-lasting use. They are designed to re-calibrate your scales and can also be used to check the performance and accuracy of your scale. These pocket-sized weights are convenient and portable, allowing users to carry the entire set easily. Ideal for use with jewelry, herbs, gems, pocket scales, kitchen scales, chemicals, and other applications. PACKAGE INCLUDES: 1 x Scale Weight