High quality aluminum alloy handle, offering high corrosion resistance, lightweight and stable performance. Hole design allows the ruler to be marked at an angle, with centimeter markings for convenient measurement. Anti-slip handle provides secure grip and hands-free use. Insert the marking needle into the angle hole; the included angle between the marking needle and the handle parallel to the desktop corresponds to the angle indicated by the hole. Note: Slight color variations may occur due to lighting and display differences. This does not affect product functionality. Model: Multifunctional square ruler Usage: Woodworking measurement and marking Size: 40cm Color: Black Material: Aluminum alloy Package Contents: 1 x Multifunctional square ruler (Other items not included) Note: Due to lighting and display differences, the actual color may vary slightly from the image. Measurement error tolerance: 1-3cm.