Class X No-Go Pin Gauge, Material Steel, Finish Uncoated, Diameter 0.6500 in, Dimension Type Inch, Gauge Type No-Go (Minus), Included Certification Certificate of Accuracy with NIST Traceability, Surface Finish 4 Microinch or Better, Tolerance 0.0001 in, Diameter Range 0.6351 in to 0.
-8, Thread Type NPT, Conduit Fitting Type Bushing, Standards cULus Listed, For Use With Threaded RMC, For Conduit Type RMC, Overall Height 4 in, Overall Width 4 in, Weight 2.