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Markings are vertical on one side and horizontal on the other so they can be read from any position. |
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Has 1/4" graduations on one end and 1/8" on the other; any height or width from 1/8" to 2" can be set in 1/8" increments. |
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Accurate to 0.005" or better. |
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Made from die-cast zinc aluminum alloy. |
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At 9" long and 3/4" thick, it is thick enough to ensure that teeth are being gauged at the top of an arc. |
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Patented. |