The Card Callipers: A ultra thin Japanese made hobbyist tool

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Thinner than most credit cards, this 0.3mm calliper can measure extremely narrow areas that other callipers can't! Machinery and other parts are often too narrow to fit a normal pair of callipers tips. However, the card callipers can help solve that problem!

Only 0.3mm thick!

The Card Callipers: A ultra thin Japanese made hobbyist tool

The Card Calliper is a credit card-sized pair of callipers that is the world’s thinnest pair of callipers made with 0.3mm thickness stainless steel and marked both with inches and millimetres. These card callipers can help support any DIYer or tradesman in a pinch!

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Comes with millimetre & inch scales

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Convenient for easy conversion and to be used anywhere in the world, this calliper is the first one to be equipped with both millimetre and inch scales!