CLEARANCE SALE This item is BRAND NEW! Never been used. Works great with different METALS such as brass, copper, iron, mild steel and stainless steel sheets up to 3/16" (5mm) thick!!!
Method and Apparatus for Measuring Center Spacing This Center Hole Location Gage dates back to the late 1950's. The plate on the front of the Gage lists US Patent #2,338,582 (11-6-1945) and #2,774,145 (issued 12-18-1956). These were some of the first machinist gages patented during WWII and Korean War.
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