This Kit for accurately setting most bore gauges up to 6 inch in diameter to an accuracy of .0001". base anvil: 2.750 inch x .80". adjustable anvil 2.375 inch x .375 inch (two each). internal capacity: 6". depth capacity: 1". centralizer capacity width: 2.625". It has a quick-release holder for fast adjustment.

• iGAGING inch bore Gage setting Master with 36 piece Gage block set with base anvil: 2.750" x .80" and adjustable anvil 2.375" x .375" (two each)
• Internal capacity: 6"/150mm, depth capacity: 1"/25mm, centralizer capacity width: 2.625"/66.7mm
• Tolerances to ±.00005 inch
• Can also be used of external setting, depending on application (external mics, snap Gauges, caliper Gauges)

For best accuracy, please remove preservatives from surface before using. Before storing, apply a thin coat of preservative to metal surfaces.