Adjustable Protractor Ruler – Multi-Angle Woodworking Tool

Adjustable Protractor & Depth Measuring Ruler for Woodworking

Take the guesswork out of every cut and joint with this Adjustable Positioning Marking Protractor Tool. Whether you're a seasoned carpenter, a weekend DIYer, or a professional contractor, this compact multi-angle ruler delivers pinpoint accuracy every single time.

Key Features

• Multi-Angle Precision Marking: Pre-set reference marks at 15°, 30°, 45°, 60°, 75°, and 90° make it effortless to transfer accurate angles to wood, drywall, and more — no math required.
• Effortless Adjustment & Secure Lock: An innovative rotating knob lets you dial in any angle quickly. Once set, the secure-lock mechanism holds firm, eliminating wobble and ensuring consistent, repeatable measurements every time.
• Built-In Level for Perfect Alignment: A crystal-clear calibrated bubble level is integrated directly into the tool, so you can verify horizontal alignment on the spot — ideal for hanging shelves, setting frames, or aligning workpieces.
• Smart Positioning Markers: Anti-slip stop marks keep the tool stable on your workpiece, creating pinpoint reference points for zero-error scribing on wood, drywall, and similar materials.
• Durable & Ultra-Portable: Built from rugged ABS plastic or aluminum alloy, this 6.57-inch (16.7 cm) ruler folds flat for easy pocket or toolbox storage — always ready when you need it.

Specifications

Package Contents

• 1 × Adjustable Positioning Marking Protractor Tool

Perfect For

Woodworking, cabinetry, carpentry, drywall installation, tile setting, DIY home improvement, and any project where precise angle marking and depth measurement matter.

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For more guidance on safe and accurate tool use, visit the OSHA Hand & Power Tools Safety Resource.

Note: Actual color may vary slightly from images due to monitor brightness and lighting conditions. Please allow minor manual measurement deviation.

Learn more: Goniometer

Frequently Asked Questions

Q: What angles does the adjustable protractor tool support?

A: The tool features pre-set precision markings at 15°, 30°, 45°, 60°, 75°, and 90°, and the rotating knob allows you to position it at any custom angle within its range for maximum versatility in woodworking and DIY projects.

Q: What is the measurement range of this depth marking ruler?

A: This adjustable protractor and depth measuring ruler covers a range of 0–150 mm (approximately 6.57 inches), making it suitable for most standard woodworking and carpentry marking tasks.

Q: Is the tool suitable for both professional contractors and home DIYers?

A: Absolutely. Its durable ABS plastic or aluminum alloy construction, secure-lock design, and compact foldable form make it an ideal everyday tool for professional woodworkers, contractors, and hobbyist DIY enthusiasts alike.

Q: Does the tool require any batteries or power?

A: No batteries or power source are required. This is a fully mechanical measuring and marking tool — just pick it up and start working.