Accusize Industrial Tools 8'' Master Precision Level in Fitted Box, Accuracy: 0.0002''/10'', #S908-C685 Adjustable main vial 0.0002''/10'' Base with V-groove With cross test vial With insulating grip Robust cast iron model Ideal to check the work of machinists and toolmakers and for setting up of machinery. Cast iron body with a hand scraped base for high accuracy. There is an auxiliary level which enables the user to check side declinations. There are plastic knobs on the frame to insulate the instrument from the heat of the hand. Adjustable main vial 0.0002&#039;&#039;/10&#039;&#039; Base with V-groove With cross test vial With insulating grip Base width:46 mm DIN 887(&amp; ANSI standard) Robust cast iron model Size: 8&#039;&#039;, Accuracy: 0.0002&#039;&#039;/10&#039;&#039; Size: 8&#039;&#039; Accuracy: 0.0002&#039;&#039;/10&#039;&#039;