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Northwest Instrument 20x Builder's Auto-Level NBL20 (Item 10320)

Product Code: ES4120
Condition: New
Northwest Instrument 20x Builder's Auto-Level NBL20
List Price $215.00
Your Price $159.99
(You Save 26%)
  • Usually ships off dock within:1 to 2 Business Days

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For builders who demand quality, value and excellent results, NBL series are your choice. They feature robust structure for long-term reliability. Superior air-dampened compensator ensures a remarkable accuracy for all your leveling applications.


  • Automatic level
  • Carrying case
  • Plumb bob
  • Manual


  • Magnification — 20x
  • Working range — 150'
  • Leveling accuracy — 1/16" @ 75'
  • Image — Erect
  • Objective aperture — 1.2"
  • Field of view — 1° 5'
  • Stadia ratio — 1:100
  • Diameter of horizontal circle — 4"
  • Graduation — 1°
  • Center type — Spindle
  • Sensitivity of circular vial — 8'/2 mm
  • Compensator type — Steel cage, wire hung
  • Compensation range — ± 15'
  • Tangent style — Double knob, continuous drive
  • Leveling head — 3 leveling screws
  • Tripod adapter — 5/8 x 11

3 Year Warranty on Manufacturer Defects

  • MPN: NBL20
  • UPC: 088688103206

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