Slip these levels into a drilled hole.

Plastic vials are more durable than glass.

Mount these levels to a wall or other vertical surface and they will indicate when you're level on the horizontal plane.

Align and measure at the same time with these levels that have rulers on the front and side.

Glow-in-the-dark vials are easy to read in low light.

These levels have a plastic housing.

These levels come with a calibration certificate traceable to NIST that states they've passed a test for accuracy.

These levels come with a calibration certificate traceable to NIST that states they've passed a test for accuracy.

These levels come with a calibration certificate traceable to NIST that states they've passed a test for accuracy.

A magnet keeps this 90° level in place while you position posts and corners.

Twist the head to switch between a dot, a horizontal line, or a vertical line.

Mark a dot up to 1,000 feet across your plant.