Stanley FatMax 48 in. Aluminum 3 Vial Box Beam Level (Model 43-548)

Built for professionals and serious DIYers, the Stanley FatMax Level 48 in. delivers unmatched durability, precision and ease of use. Constructed from a single piece of extruded aluminum with a vivid yellow powder-coat finish, this non-magnetic box-beam level stands up to jobsite abuse while maintaining accuracy of 0.0005 in./in. An advanced center MAXEDGE™ vial provides a clear sightline for scribing continuous lines, and twin end block vials ensure reliable plumb and level readings.

Thoughtfully engineered comfort features include dual bi-material hand grips and shock-absorbent end caps with non-marring side bumpers. Whether you’re installing cabinets, framing walls or laying tile, this 48-inch level keeps your projects on the straight and narrow.

Key Features

• Single-piece aluminum box-beam construction for superior strength
• Accuracy to 0.0005 in./in. for professional-grade precision
• Center MAXEDGE™ vial enables continuous scribe lines
• Two block vials (level + plumb) at each end for quick checks
• Dual bi-material hand grips for secure, comfortable handling
• Shock-absorbent end caps and non-marring side bumpers for impact protection

⚠️ WARNING: This product contains chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. For more information, visit www.P65Warnings.ca.gov.