Instead of a single wheel, this gauge has a pin as well as a secondary pin attachment to use as a mortice gauge. It also has another pin that replaces the 4.90mm thick machined flat gauge face to use as a divider/compass. Just like the digital wheel marking gauge, this gauge is made to same high quality standards as all iGaging products with an accuracy of up to 0.0254mm over the 150mm range.
This gauge is perfect for getting your measurements done quickly for marking out with a massive, easy-to-read LCD display that reads in metric, decimalized and fractional imperial in 1/128th graduations. It is IP54-splash water, oil and dust resistant. Very well-made and a pleasure to use.
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