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Johnson Level & Tool Mfg. Products

Self-Leveling 3-Dot Laser Level


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Carpenters, Electricians & Plumbers use this 3 beam laser level for accurate placement of Fixtures, Framing, Piping & Conduit Runs, Electrical Boxes, Fencing & More.Johnson Self-Leveling 3-Dot Laser Level 40-6675

The 40-6675 Laser Level Simultaneously projects 3 Beams and is Job Site Tough!

It is Dust and Water Resistant and a Locking Mechanism protects the Pendulum during transportation

Electricians use this laser level for accurate placement of  lighting fixtures. Carpenters use this Laser Lever for layout of interior walls and beams.

Applications include: Layout and Installation of: Fixtures, Plumbing, Door Frames, Dormers, Electrical Switch & Outlet Boxes, Conduit Runs, Framing, Fencing & Misc. Carpentry Work (ie Chair Rail.. etc.)

A big time saver on sloped ceilings!!


  • Self-leveling laser
  • Simultaneously projects three self-leveling beams
  • Accuracy: +/-1/8"/50ft.
  • Locking mechanism protects inner pendulum during transportation
  • Visual and audible alarms when beyond leveling range
  • Dust and Water Resistant
  • Includes: 3-Beam Laser Level, Magnetic Red Laser Target, Soft Carrying Pouch, 3 AA Batteries & Instruction Manual
  • 3 Year Warranty

 Self-Leveling 3-Dot Laser Level 


Johnson Self-Leveling 3-Dot Laser Level Kit 40-6675


Number of Beams


Leveling Method

Self-Leveling (Pendulum)

Laser Wavelength

650nm +/-10nm (Red)

Laser Classification

Class IIIa

Maximum Power Output



+/-1/8"/50ft. (+/-2mm/10m)

Interior Range

Up to 100ft. (30m) depending on light conditions

Self-Leveling Range

+/-3 degrees

Power Supply

3 "AA" alkaline batteries (included)

Battery Life

Approximately 50 hours with alkaline batteries


4.212" x 2.598" x 4.528" (107 x 66 x 115mm)


0.127lbs. (0.58kg)

Working Temperature

14F to 113F (-10C to +45C)

Center Screw Thread


IP Protection Class



3 Years


Dot Lasers:
Laser PlumbBob
Laser Plumbob

Johnson laser levels, spirit levels, construction measuring and marking tools - JobSite Tough Since 1947

Tools for Electricians


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