Patented Quick Angle Stop System
JessEm's innovative Quick Angle Stop eliminates the need for traditional stair gauges. Simply press the release button, slide to your desired angle, and release to securely lock the square in position. When finished, press the button again to instantly return to the 90° position.
Fast, repeatable angle layouts have never been easier.
Preset Angle Detents
Quickly lock into the most commonly used construction and woodworking angles:
- 10°
- 20°
- 22.5°
- 30°
- 40°
- 45°
- 50°
- 60°
- 67.5°
- 70°
- 80°
Perfect for framing, roof rafters, stair layouts, trim work, and custom angle applications.
Premium Stainless Steel Construction
Precision-manufactured from 1/16" full-hard stainless steel, the blade resists bending, twisting, and wear while maintaining exceptional accuracy for years of professional use.
Integrated Level
The built-in bubble level allows you to quickly verify level surfaces without reaching for another tool, improving workflow on the jobsite and in the workshop.
Patented Flex Grip Technology
JessEm's exclusive Flex Grip provides superior holding power on wood, metal, plastic, paper, and other materials. The innovative Flex Tab helps prevent slipping while marking, improving accuracy and reducing movement during layout.
Precision Laser-Engraved Markings
Every graduation is chemically etched before being permanently laser engraved, producing crisp, highly visible markings that won't wear away with regular use.
1/16" Scribing Notches
Integrated scribing notches spaced every 1/16 inch make repetitive layout work faster, easier, and more accurate when marking rip cuts and parallel lines.
Parallax-Free Reading
Carefully engineered graduations reduce viewing errors, providing clear, distortion-free measurements for exceptional accuracy.