Angled view the of the CBOXL48 on a white background
E-graphic of the box levels XL vials
E-graphic detailing the levels vial view and full aluminum frame with shock absorbing end caps
E-graphic of the box levels double milled edges
E-graphic of a person with a box level stating that this level gives you confidence in any light

48" NITE EYE™ Aluminum Box Beam Level

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CBOXL48
The Crescent Lufkin 48" NITE EYE™ Aluminum Box Beam Level is designed for contractors, carpenters, remodelers, framers, electricians, plumbers, and construction professionals who require accurate leveling and improved vial visibility in all lighting conditions. Three NITE EYE™ fluorescent vials with brightening surrounds enhance readability, while a wide-view center vial delivers an unobstructed view of the bubble. A top-view plumb window allows quick vertical measurements without bending or repositioning. The durable full-aluminum box beam frame features shock-absorbing end caps for added jobsite protection, while double-milled edges help provide accurate leveling, alignment, and straight-edge performance.
  • Features
    • Three NITE EYE™ fluorescent vials with brightening vial surround improves visibility in all light conditions
    • Wide view center vial for an unobstructed view of the bubble
    • Vial view top window allows fast plumb checks without bending or straining to see the vial
    • Full aluminum frame with shock absorbing end caps protect the frame against drop damage
    • Double-milled edges provides accuracy
    • Handle ensures a secure grip
    • Three NITE EYE™ fluorescent vials with brightening vial surround improves visibility in all light conditions
    • Wide view center vial for an unobstructed view of the bubble
    • Vial view top window allows fast plumb checks without bending or straining to see the vial
    • Full aluminum frame with shock absorbing end caps protect the frame against drop damage
    • Double-milled edges provides accuracy
    • Handle ensures a secure grip
    • Hang holes for convenient storage
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  • Specifications
    • Weight (Catalog) : 2.600 lb
    • Warranty : Full Lifetime
    • NITE EYE™ : Yes
    • Family Name : Nite Eye™
    • Overall Length : 48 in
    • Size : 48 in
    • Overall Width : 1.18 in
    • Magnetic : No
    • Overall Height : 2.58 in
    • UPC : 037103381026
    • Prop 65 : WARNING: This product can expose you to chemicals, including lead, which is known to the State of California to cause cancer, birth defects or other reproductive harm.
    • Material : Aluminum
    • Vial Quantity : 3
    • Packaging : Carded
  • Frequently Asked Questions
    What is a box beam level used for?
    A box beam level is used to verify level, plumb, and alignment during framing, carpentry, cabinetry, remodeling, electrical, plumbing, and general construction work.
    What is the benefit of NITE EYE™ vials?
    NITE EYE™ fluorescent vials and brightening surrounds improve vial visibility and readability in bright, dim, and changing lighting conditions.
    What is the top-view plumb window used for?
    The plumb-view window allows users to check vertical alignment more easily without bending or repositioning to view the vial.
    Why use a box beam level instead of an I-beam level?
    Box beam levels are commonly selected for their increased rigidity and durability in demanding professional applications.
    Can this level be used as a straight edge?
    Yes. The double-milled edges can also function as a straight edge for layout and alignment applications.
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