300mm Adjustable Combination Square Protractor Ruler - Right Angle Measuring Tool for Woodworking DIY Marking

Get perfect angles and clean measurements without the frustration of rechecking and redoing your work. This versatile measuring tool helps you mark straight lines, verify 90° corners, and measure angles quickly with one easy-to-use instrument. Ideal for woodworkers, DIY builders, engineers, and students, it combines precision and flexibility in a compact design. The adjustable, movable structure allows repeatable measurements for faster layouts and cleaner results. If you’re searching for an adjustable protractor ruler, combination square, or right angle measuring tool, this is built to make accuracy effortless.

Key Features

• 3-in-1 Measuring Tool – Combines ruler, right angle square, and protractor to simplify every task.

• Movable & Lockable Design – Adjust and secure measurements for repeatable precision marking.

• 300mm Length for Bigger Projects – Great for furniture, framing, and layout work with better reach.

• Faster, Cleaner Layouts – Helps reduce mistakes and improves accuracy for cuts, joints, and installs.

Why Choose Our 300mm Adjustable Combination Square Protractor Ruler

Unlike basic rulers that only measure length, this tool allows you to set angles and mark perfect right corners in one step. The adjustable mechanism gives you greater control and accuracy than fixed squares or separate protractors, saving time on every project.

Perfect For

• Woodworkers & carpenters measuring angles for cuts, joints, and framing

• DIY home improvement users installing shelves, trims, and furniture

• Engineering and drafting students working on geometry, layouts, and projects

• Makers & crafters needing precision marking for custom builds

Order today and enjoy faster measurements, sharper angles, and cleaner results on every DIY or professional project.