Wyler/Fowler Circular Spirit Levels

• Circular Spirit Levels are used for leveling machines and other types of apparatus
• Mounting diameter of No. 52-422-074 is .984" (25mm). The screw hole diameter on this model is .098" (2.5mm)
• Mounting diameter on No. 52-422-072 is 1.968" (50mm). The screw hole diameter is .135" (3.5mm)

# 52-422-072

• Base Size: 2.360" / 60mm
• Sensitivity of Level: 20 - 30 minute of arc

# 52-422-073

• Base Size: 0.787" / 20mm
• Sensitivity of Level: 20 - 30 minute of arc.

# 52-422-074

• Base Size: 1.181" / 30mm
• Sensitivity of Level: 20 - 30 minute of arc