E.D.A. Inspection Square Block Spirit Level, 12″ x 12″ Size, .0005″ (10 seconds) Sensitivity – ISB-613

• Cross and main vial are easily adjustable
• Checks the accuracy of vertical and horizontal surfaces
• Maximum clarity of the bubbles.
• Heat insulating top plate with glass.
• Stabilized cast iron base with hardened surfaces.
• (2) Sides with flat bearing surfaces and (2) sides with flat plus vee bearing surfaces; width of 1-9/16″.
  Furnished in fitted case.
• Made in France