Hughes External Flush (H.E.F.)

BESTO Provide Hughes External Flush (H.E.F.) gages professionally,  for sizes from 2-3/8 to 4-1/2 inches in diameter. All the gages come with the calibration certificates traceable.

Instructions:
1）Material: GCr15， Measuring surface hardness 60-63HRC;
2）Comes with the calibration certificates tracealbe.
How to order?
For example:
Pls mark : 2-7/8 H.E.F Ring&Plug
and E-mail to:sales@bestogages.com