Patented Quick Angle Stop System
JessEm's innovative Quick Angle Stop allows you to instantly lock virtually any angle without using traditional stair gauges. Simply press the release button, slide to the desired angle, and release to securely lock the square in position. When your layout is complete, press the button again to quickly return to the 90° position.
Fast, repeatable layouts have never been easier.
Preset Angle Detents
Quickly lock into the most commonly used construction angles:
- 10°
- 20°
- 22.5°
- 30°
- 40°
- 45°
- 50°
- 60°
- 67.5°
- 70°
- 80°
Perfect for roof rafters, framing, stair stringers, trim installation, and countless layout applications.
Aircraft-Grade 6061 Aluminum Construction
Precision-machined from premium 6061 aluminum, the Quick Angle Rafter Pro offers an ideal balance of strength, durability, and lightweight performance for everyday jobsite use.
Durable Hard-Anodized Finish
A premium hard-anodized coating protects the aluminum body from scratches, corrosion, and wear, ensuring long-lasting performance in demanding work environments.
Integrated Bubble Level
The built-in level provides a quick visual reference for level surfaces, helping improve layout accuracy while reducing the need for additional tools.
Precision Laser-Engraved Markings
Every graduation is permanently laser engraved for exceptional visibility and long-term durability, even under heavy jobsite use.
1/16" Scribing Notches
Integrated scribing notches spaced every 1/16 inch make repetitive layout work faster and more accurate, allowing consistent marking for rip cuts and parallel lines.