The B-G Stainless Steel 150mm (6”) Digital Caliper/Vernier is a versatile tool for measuring internal and external dimensions, hole depths and thicknesses in both metric and imperial units to a resolution of 0.01mm/0.001”. The protective case and high-quality stainless-steel body ensure the B-G Stainless Steel 150mm (6”) Digital Caliper/Vernier is suitable for use in a home, garage or workshop environment, whilst the easy-to-read digital scale provides accurate, repeatable results with every use. LR44 Battery is included.