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Model#: CSTNLL20

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Brand new items;Full manufacturer warranty available
Manufacturer inspected, repaired and tested items; CPO 60 day money back guarantee
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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
This item is no longer available.
It has been replaced by the BSHNGLL150ECK.
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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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    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.