Steel Ruler:12"/300mm

This steel ruler is a precision measuring tool crafted from durable steel to ensure long-lasting accuracy and resistance to wear. Rated at a nominal length of 12 inches (300mm), it provides a standard size suitable for general drafting, technical drawing, and everyday shop floor tasks. Buyers select this rigid metal construction over flexible tape measures or plastic rulers when high stability and a straight, unyielding edge are required for precise layout work. To choose the correct model, verify that the 12-inch length accommodates your specific measurement needs, as this size is optimal for medium-scale projects without being unwieldy. The plain steel finish offers durability without the need for additional protective coatings.