Adjustable Combination Square Ruler | 45° 90° Woodworking Tool
Adjustable Combination Square Ruler with Bubble Level
Take the guesswork out of measuring and marking with this precision Adjustable Combination Square Ruler. Whether you're tackling woodworking projects, carpentry layout work, furniture assembly, or DIY home repairs, this versatile tool helps you check 45° and 90° angles, draw accurate reference lines, and verify horizontal alignment — all in one compact, easy-to-use design.
Key Features
✔ 45° & 90° Angle Measuring
Effortlessly verify both 45-degree and 90-degree angles for wood cutting, frame assembly, corner checking, board marking, and everyday workshop measurement tasks.
✔ Built-In Bubble Level
The integrated green bubble level vial lets you instantly check horizontal alignment as you work — ideal for installation, layout, and leveling tasks without reaching for a separate tool.
✔ Adjustable Sliding Ruler
The smooth-sliding ruler design flexes to meet your measuring needs. Simply loosen the brass locking knob, slide to your desired position, and lock it in place for repeatable, accurate measurements.
✔ Clear Measurement Scale
Bold, easy-to-read scale markings on the black ruler body make quick measurements on wood boards, panels, frames, and flat materials a breeze — even in low-light workshop conditions.
✔ Compact & Professional Design
The slim, lightweight body is easy to grip and carry. The classic combination of a black ruler body, green level vial, and brass hardware gives this tool a professional workshop look and feel.
Available Sizes
- 15 cm / 5.91 in
- 20 cm / 7.87 in
- 25 cm / 9.84 in
Please select your preferred size before ordering.
Product Specifications
| Function | Measuring, marking, angle checking, leveling |
| Angles | 45° and 90° |
| Ruler Lengths | 15 cm | 20 cm | 25 cm |
| Color | Black with green bubble level & brass knob |
| Package Quantity | 1 piece |
| Country of Origin | Made in China |
Suitable For
- Woodworking & carpentry layout
- DIY home repair & renovation
- Board cutting reference lines
- Right-angle & 45° line marking
- Furniture assembly
- General workshop measuring tasks
Package Includes
- 1 × Adjustable Combination Square Ruler
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Note: Manual measurement may have slight dimensional variations. Actual color may differ slightly from product images due to screen settings and lighting conditions. Keep the tool clean and dry after use.
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Frequently Asked Questions
Q: What angles can this combination square ruler measure?
A: This adjustable combination square ruler is designed to check both 45-degree and 90-degree angles, making it ideal for woodworking, carpentry, frame assembly, board marking, and general DIY measuring tasks.
Q: How does the sliding ruler adjustment work?
A: Simply loosen the brass locking knob on the head, slide the ruler blade to your desired measurement position, and then tighten the knob to lock it firmly in place. This allows flexible, repeatable measurements across a variety of project sizes.
Q: What sizes are available for this combination square ruler?
A: The ruler is available in three lengths: 15 cm (5.91 in), 20 cm (7.87 in), and 25 cm (9.84 in). Please select the size that best suits your woodworking or DIY project needs before placing your order.
Q: Does the built-in bubble level work accurately for woodworking installations?
A: Yes. The integrated green bubble level vial provides a quick and convenient horizontal alignment check while you work, making it useful for installation, leveling, and layout tasks without needing a separate spirit level.