PRECISION PIN GAUGE SET-125PCS/SET-0.626-0.750"-PLUS
· HEAT TREATED TO A HARDNESS OF 60/62 ROCKWELL , 2†LENGTH
· FOR CHECKING HOLE DIAMETER AND DISTANCE
· BETWEEN HOLES AND HOLE LOCATION
· PLUS SET ACCURACY: +.0002†/-.0000â€
· MINUS SET ACCURACY : -.0002†/+.0000â€