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Auyuiiy Combination Square - 12 Inch

Auyuiiy Combination Square - 12 Inch

The Auyuiiy 12-inch combination square is a versatile precision tool designed for engineers, carpe...

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eBayAuyuiiy Combination Square, Set 12Inch/300mm Engineers Square Orange
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Product Information

Full details

The Auyuiiy 12-inch combination square is an essential precision instrument designed for professional carpenters, engineers, and serious woodworking enthusiasts who require accuracy in layout and marking. Its primary benefit lies in its dual-purpose design, combining a 300mm stainless steel ruler with an adjustable square head for versatile angle and depth measurements; however, users should note that as a mechanical tool, it requires periodic calibration checks to maintain optimal precision over long-term use.

All features

BrandAuyuiiy

Extended Product Information

FAQs

Does this square include both inches and centimeters?

Yes, it features dual-sided markings for both imperial (inches) and metric (centimeters) measurements.

Is the ruler removable from the square head?

Yes, you can fully remove the stainless steel ruler from the square head for use as a standalone straightedge.

Can I use this for marking 45-degree angles?

Yes, the square head is designed to support both 90-degree and 45-degree angle marking.

What is the total length of the ruler?

The ruler is 300mm long, which is approximately 12 inches.

How do I maintain the stainless steel finish?

Keep the tool dry and wipe it down with a light machine oil occasionally to prevent oxidation.

Does the square head lock in place securely?

It includes a heavy-duty locking nut that, when tightened, keeps the square head securely at your desired measurement.

Troubleshooting

The square head feels loose on the ruler

Tighten the brass locking knob firmly to secure the head in the desired position.

Measurements seem inaccurate

Check for debris on the ruler edge or inside the square head groove; clean with a dry cloth and re-calibrate against a known master square.

Pros and Cons

Pros

  • High-quality stainless steel resists rust and wear
  • Versatile for both metric and imperial measurements
  • Includes helpful integrated tools like a bubble level and scriber
  • Sturdy construction prevents deformation during heavy use
  • Supports multiple layout functions including 45/90-degree angles and depth gauging

Cons

  • Requires periodic checking to ensure the square head remains perfectly 90 degrees
  • Markings may be harder to read in low-light environments
  • Adjustable mechanism requires firm tightening to prevent slippage

Setup, Compatibility & Care

To keep your Auyuiiy combination square functioning at its peak, ensure the blade and square head grooves remain free of debris, which can affect measurement accuracy. To calibrate the square, use a master square to check the 90-degree setting against the edge of the blade, adjusting the locking nut as necessary to ensure it remains tight during use.

Keep the tool in a dry environment to prevent moisture buildup. Periodically wipe the stainless steel ruler with a light machine oil to maintain the finish and ensure the square head slides smoothly across the blade surface.

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