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Proving Ring , Dial Indicator |
Proving Ring , Dial Indicator
Proving Ring Precision measuring device, high grade steel with plated finishing 3/4″ tapped hole at both end. Supplied complete with dial and calibration chart. | ||||||||||||||||||||||||||||
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Dial Indicator | ||||||||||||||||||||||||||||||
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RG-140 dial Holder Chrome plated shaft with simple clamping device. Powerful magnet with on-off switch. Precision ground surface. |