SPI Spirit Levels  Inspection Block Levels

• Maximum clarity of the bubbles
• Heat insulating top plate with glass
• Stabilized cast iron base with hardened surfaces
• Flat plus Vee bearing surfaces, width 1-9/16"
• Exceptional resistance to shock
• Cross vial and main vial easily adjustable
• Furnished in fitted wooden case

# 02-093-3 - Vial (0.0001" Sensitivity) - for Levels No. 31-061-5, 31-063-1

# 02-111-3 - Vial (0.0005" Sensitivity) - for Levels No. 31-060-7, 31-062-3