Features: The aluminum ruler Slide stop has 45-degree sliding block that allows you to easily draw angles lines at 45, 90, and 135 degrees. It is accurate and convenient to use. It is best woodworking tools and accessories. This ruler features specially designed 1/2", 3/4", and 1" holes, allowing for more precise drawing of different lines. Made from high-quality aluminum alloy. This ruler surfaces is anodized, making it wear-resistant and rust-proof. Despite its thickness, this ruler remain lightweight and easy to handle, avoiding any clunky feeling. Inch Indicators on both sides, this steel ruler has clear and accurate scale, easy to read. The side is marked with 1/4, 1/2, and 3/4 depth measurement unit to meet a variety of measurement needs.If you require vertical measurements, simply slide the stop off the end of this ruler and insert it into the cut-out. This will provide a perfect stand for your ruler, allowing it to stay upright and steady. Specifications: Material:Aluminum Alloy Length:Approx.160mm(6.3inch) , 200mm(7.87inch),300mm(11.81inch) Type:6inch,8inch,12inch (optional) Package Includes: 1x Precision Pocket Ruler note: Please allow 1mm errors due to manual measurement. Due to the difference between different monitors, the picture may not reflect the actual color of the item.