Stanley Tools STHT42504 Box Beam Level 48 Inches

Product Description

The STANLEY TOOLS STHT42504 is a 48-inch box beam level built for professional layout and plumb work on job sites. The center block vial delivers accuracy to 0.0005 inches per inch, while the large 12mm tubular plumb vials hold accuracy to 0.001 inches per inch. An enlarged vial housing improves visibility in low-light conditions. Shock-absorbing end caps protect the level from drop damage during daily use. The bridged center vial design maintains a continuous marking surface along the working edge, a practical advantage when scribing lines directly off the tool.

This level is suited for residential and light commercial construction, remodeling, and mechanical trades work. Electricians, HVAC installers, plumbers, and general contractors use box beam levels for plumbing pipe runs, setting equipment, installing duct hangers, and establishing reference lines. The 48-inch length covers a wide range of framing, tile, and mechanical layout tasks where a shorter torpedo or 24-inch level cannot provide sufficient baseline.

Key Features

• Center block vial accuracy of 0.0005 inches per inch for precise level readings
• Large 12mm tubular plumb vials accurate to 0.001 inches per inch
• Enlarged vial housing for improved visibility in bright or dim conditions
• Shock-absorbing end caps extend tool life in demanding field environments
• Bridged center vial provides uninterrupted marking surface for layout work
• Box beam aluminum construction resists bowing and flex under load

Compatibility

Designed as a general-purpose 48-inch box beam level suitable for construction, mechanical, and trade installation applications where standard level and plumb readings are required.

Installation Notes

No power source is required for this tool. Store the level flat or hang it vertically to prevent warping over time. Periodically verify vial accuracy against a known reference surface, especially after significant impacts. Clean vial housings with a damp cloth - avoid solvents that may cloud the vial material.