Precise Class ZZ Steel Pin Gage Sets

• This accurate precision tools are suited for checking location, hole size, gage slots, distance between holes, go & no-go gage, setting other gages and calibrating micrometers.
• Each set furnished with case and every size gage holes clearly marked for size
• Class ZZ tolerance, Minus Accuracy: +.0000 -.0002
• Class ZZ tolerance, Plus Accuracy: -.0000 +.0002
• Heat treated to a hardness of 60/62 RC
• Centerless lapped with 10 micro finished
• Uniform 2″ overall length
• Gage increments are in .001″ steps