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 get precise weights. * These scale weights are designed with high precision and have a permissible error of +/-0.003g. * Weights construction is made of heavy duty steel for long lasting use. * They are designed to re-calibrate your scales but can be used simply to check the performance and accuracy of your scale. * These pocket-sized weights are convenient and portable for the user to take the whole set anywhere. * Perfect for jewellery, herbs, gems, pocket scales, kitchen scales, chemicals and other accessories. PACKAGE INCLUDE:1 x Scale Weight