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Product Description


The AGL Tunnel Laser SLB110 11-0110 features a 1500 ft. laser range with multiple laser beam sizes, failsafe alignment control, and 3 tripod mounting systems. Compact, yet constructed with durable materials, the SLB110 maintains its precision in tough mining or tunneling conditions. It works with several accessories as well as tunnel boring machines.

Variable Beam Diameters in Respect to Distance

For distances between 100 and 400 feet, the AGL SLB110 Tunnel Laser beam ranges between ½ to 9/16 inches in diameter. At 500 feet, it ranges from 5/8 to 11/16 inches. At 1000 feet, it ranges from 7/8 to 15/16 inches. And at 1500 feet, it ranges from 7/8 to 1¼ inches.

Failsafe Alignment Control System

With this system, construction professionals can position three mounting plates in a row, mount the SLB110 on the first plate, and mount in-line targets on the other two plates. Adjusting the tunnel laser beam to pass through all the holes in the targets provides a guide for mounting additional targets further down range. And if the tunnel laser is moved or becomes blocked, it instantly alerts you.

Versatile Tripod Mounting

If a job requires the tunnel laser to be moved around as opposed to being fixed on a wall, then the SLB110 can be mounted on a tripod three different ways. It can be mounted with the Mounting Bracket, Fixed Tripod Mounting Kit 9-09301, or Hanger Rail SLB110 Tripod 9-09305.

Durable and Waterproof

Constructed of aluminum, brass, and stainless steel, the SLB110 tunnel laser maintains its accuracy in tough underground conditions. It is also waterproof and can withstand wet environments.

Alignment Scope and Fan Lens Accessories

Mounting the alignment scope 9-09208 on top of the SLB110 allows you to quickly position the laser beam on distant targets in poor lighting. The fan lens 9-09789 spreads the laser beam into a thin plane of light that can be rotated into a vertical or horizontal line.

Two Power Options

Use the 12-volt DC converter to power the tunnel laser when it is fixed in one position. Or use the 12-volt power cord when you wish to move the tunnel laser around.

Loaded Package

With this package, you will also receive a horizontal level vial, mounting bracket, power cord, carrying case, and a 2-year warranty.


  • 1500 ft. laser range
  • Multiple laser beam sizes
  • Failsafe alignment control
  • 3 Tripod mounting systems
  • Constructed of aluminum, brass, and stainless steel
  • Compact size
  • Waterproof
  • 2 Power options
  • 0° to 120°F operating temperature
  • Works with tunnel boring machines
  • 2-year warranty


Weight 4.25 lbs
Dimensions Length: 15 in.
Warranty Waterproof
Operating Temperature 0°F to +120°F (-18°C to +50°C)
Color Red
Type/Wavelength Visible/635 nm
Power Cord 12-Volt
Rotating Laser Yes
Tunneling Yes
Sanitation Yes
Interior Pipe Work Yes
Exterior Pipe Work Yes
Manholes Yes
Rotating Laser
Range 1500 ft.


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