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  • CST/berger LL20 Self-Leveling 360-Degree Exterior Laser with LD3 Detector
Model#: CSTNLL20

What are the different product conditions?

Brand new items;Full manufacturer warranty available
Manufacturer inspected, repaired and tested items; CPO 60 day money back guarantee
Open Box
New or Recon items with possible minor cosmetic damage; CPO 60 day money back guarantee
Returned items inspected, repaired and tested by CPO technicians; CPO 60 day money back guarantee

CST/berger LL20 Self-Leveling 360-Degree Exterior Laser with LD3 Detector

Model#: CSTNLL20
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The CST/berger LL20 Self-Leveling 360 degree Line Laser offers a fast and accurate solution for small exterior leveling construction applications. With one button operation, the LL20 is simple and easy to use. The LL20 offers 3/16 in. accuracy, is self-leveling at 4 degrees and when operated with the innovative LD3 Laser Detector, provides a 530 ft. range.
  • 360 degree full coverage leveling for most leveling applications
  • Fast automatic self-leveling system levels the laser in seconds and indicates out of level condition
  • Includes LD3 laser detector with innovative extended range option when extra distance is required
  • Weather resistant with an IP55 rating
  • Convenient freestanding base with both 1/4 in. - 20 and 5/8 in. - 11 tripod mount
  • Enclosed glass lighthouse provides environmental and component protection
  • Cone laser technology improves reliability with no rotating or motorized assemblies
  • One button operation is simple to use and operate
  • Off button position locks pendulum for added durability during transport
  • Self-Leveling 360-Degree Exterior Laser - LL20
  • LD3 Laser Detector with Bracket
  • (4) AA Batteries
  • Hard Carrying Case


Cordless: Yes
Weight: 1 lbs.
Accuracy Margin (Horizontal): +/- 0.15mm
Battery Type: NiMH
Effective Range (Receiver): 80m
Laser Class: 2
Laser Color: Red
Laser Diode: 635nm
Protection Class: IP55
Run Time (Max.): 50 hrs.
Self-Leveling Range: +/- 4 Degrees


  • Level
  • Align
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    Questions & Answers


    New Vs. Reconditioned

    What's the difference between New and Factory-Reconditioned?

    Factory-Reconditioned products have been returned to the manufacturer and are restored to like-new operating condition; they go through a rigorous testing and inspection process. Plus, they offer a significant savings vs. new.
    • Reconditioned products may have minor cosmetic blemishes or scratches that do not affect item performance.
    • Reconditioned products may not come with all of the consumables the new version comes with (bits, sanding pads/papers, cases, etc.).
    • Both come with a manufacturer warranty and are covered by our Money Back Guarantee; New is 30 days, Reconditioned is 60 days.
    Condition: New Factory Reconditioned
    Features: Same Same
    Specs: Same Same
    Includes: Self-Leveling 360-Degree Exterior Laser - LL20,
    LD3 Laser Detector with Bracket,
    (4) AA Batteries,
    Hard Carrying Case
    Self-Leveling 360-Degree Exterior Laser - LL20-RT
    Availability: Out of Stock In Stock
    Warranty: 3 Year Limited 1 Year Limited


    Bosch Laser & Measuring Tools Warranty Robert Bosch Tool Corporation ("Seller") warrants to the original purchaser only, that all Bosch lasers and measuring tools will be free from defects in material or work­manship for a period of one (1) year from date of purchase. Bosch will extend warranty coverage to two (2) years when you register your product within eight (8) weeks after date of purchase. Product registration card must be complete and mailed to Bosch (postmarked within eight weeks after date of purchase), or you may register on-line at

    If you choose not to register your product, a one (1) year limited warranty will apply to your product. 30 Day Money Back Refund or Replacement If you are not completely satisfied with the performance of your laser or optical instrument, for any reason, you can return it to your Bosch dealer within 30 days of the date of purchase for a full refund or replacement. To obtain this 30-Day Refund or Replacement, your return must be accompanied by the original receipt for purchase of the laser or optical instrument product. A maximum of 2 returns per customer will be permitted.