Simultaneously check if a surface is level horizontally and vertically, as well as front-to-back. Use one of the three main vials on these levels to determine if your surface is completely flat, upright, or at a 45° angle. Plug in the fourth vial to level two axes at the same time. Use them to level cross-sections of pipe, frames, and other three-dimensional parts.

Rest them on flat surfaces or fit the side with the V-shaped indentation around pipes and curved shafts.

Align horizontal surfaces in two directions simultaneously without having to twist your level around. Set these levels flat on shelving or other surfaces to make sure they aren't tilting forwards, backwards, or sideways.

Mount these levels onto CNC machines and other equipment for repeat horizontal level checks in two directions at the same time. With a highly sensitive glass vial and a heavy cast iron base for stability against surfaces, they detect even the smallest tilts backwards, forwards, or sideways, so you can correct them before they affect machine performance.

Achieve perfectly upright posts and poles with these levels. Their L shape allows them to nest securely around flat or curved surfaces. They have two hooks and come with a heavy duty rubber strap to secure them around pipes of any size. The vertical vial tells you when your post is plumb. The two horizontal vials level your pole horizontally so it isn’t tilting forwards, backwards, or sideways.

Level horizontal surfaces in two directions at the same time with the highest degree of accuracy. The highly sensitive glass vials on these levels sit perpendicular to one another – place them on the corner of platforms and surface plates to check if they’re tilting sideways, forwards, or backwards.