A person wearing a high-visibility vest, gloves, and a hard hat uses a STANLEY spirit level to check the alignment of a wooden frame at a construction site.

DESIGNED FOR DURABILITY.
TRUSTED FOR ACCURACY.

STANLEY® FATMAX® XTREME™ LEVELS

NOW WITH NEW VIAL TECHNOLOGY SO YOU CAN STAY LEVEL.

STANLEY® FATMAX® XTREME™ levels deliver long-term accuracy, durability and ergonomic design for professionals in roofing, framing, carpentry and more. Backed by a 10-year accuracy warranty, key features include secured vial technology designed to protect the vials against drop damage, fine milled edges to provide a 0.5mm/m primary accuracy and 90% larger plumb vials, to provide better bubble visibility.

Illustration of the top view of a STANLEY tumbler lid, showing the sliding opening mechanism in the center.

Secured Vial Technology

Illustration showing a close-up of a tool blade with a yellow arrow pointing to the cutting edge.

Removable End Caps

Illustration of a pencil drawing a straight line along the edge of a Stanley spirit level.

Continious Edge

Illustration of a bubble level vial viewed from above, shown inside a black and gray circular frame.

Larger Plumb Vials

Illustration of a flathead screwdriver tip inside a screw slot, seen from above.

One-Handed Design

Photo of STANLEY FMHT43674-1 spirit level used by a construction worker on a brick wall at a building site.
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STANLEY FMHT43671-1 spirit level close-up showing green vial on aluminum body.

SECURED VIAL TECHNOLOGY

Full frame vial carrier design to protect the vials against drop damage.

Stanley FMHT43678-1 spirit level used on drywall by a worker in gloves and safety gear.

PATENTED CONTINUOUS EDGE DESIGN

Making it easy to draw and scribe along the full length of the level.

Stanley FMHT43672 level tool close-up in use against wooden frame, side angle.

90% LARGER PLUMB VIALS

Provide better bubble visibility.

STANLEY FMHT43676-1 spirit level used by a construction worker to check a brick wall on scaffolding.

GRIP ACCESS AND ONE-HANDED USE

Ergonomically designed grip rails and handles for easy one-handed use.

Photo of worker using STANLEY FMHT43672 spirit level on wall frame at construction site, wearing gloves and hard hat.

REMOVABLE END CAPS

Allows end user accuracy and precision due to easier 90° angle/corner access.