Broe gauges are used to measure internal hole dimensios and shape errors of different diameter and depth by comparative method.

* Model Range Grad. Depth Anvil

* BD001 6-10mm 0.01 40 9

* BD002 10-18mm 0.01 100 9

* BD003 18-35mm 0.01 125 7

* BD004 35-50mm 0.01 150 3

* BD005 50-100mm 0.01 150 5

* BD006 50-160mm 0.01 150 5

* BD007 100-250mm 0.01 250 4

* BD008 160-250mm 0.01 400 5

* BD009 250-450mm 0.01 400 5