SPI Spirit Levels: Inspection Square Block Levels

• 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 1-9/16"
• Cross and main vial easily adjustable
• Furnished in fitted case

# 02-093-3 - Vial (0.0001" Sensitivity) - for Level No. 31-081-3

# 02-111-3 - Vial (0.0005" Sensitivity) - for Level No. 31-080-5