Fowler's Inch Bore Gage Setting Master Kit Fowler's new Bore Gage Setting Master Kit is used for accurately setting any bore gage up to 6"/150mm in diameter to an accuracy of .0001"/.003mm Setting Device Features include... Base anvil: 2.750" x .80" Adjustable anvil 2.375" x .375" (two each) Internal capacity: 6" / 150mm Depth capacity: 1" / 25mm Centralizer capacity width: 2.625" / 66.7mm Quick-release holder for fast adjustment. Economy Gage Block Sets Inch model: 36 piece Tolerances to .00005" Certificate of Calibration to N.I.S.T.
