1、[Versatile Ruler] This steel ruler offers both Imperial and Metric measurements with a range of 12 inches and 30 cm, ideal for measuring, marking, and drawing lines. 2、[With Positioning Block] The steel ruler is equipped with a positioning block, can help you create lines positioned at 45 or 90 degrees. 3、[Premium Material] The steel ruler with block is made of stainless steel, brass and aluminum alloy material, ensuring its longevity and durability for long term use. 4、[Versatile Applications] Ideal for mechanics, woodworkers, mathematicians, and engineers, the steel scribing ruler offers precise measurements for a variety of drafting tasks. 5、[Multifunctional Usage] Suitable for workshops, home improvements, etc., this steel ruler with scriber block can suit various applications in different environments. Item Type: Steel Ruler Material: Aluminum Alloy, Brass, Stainless Steel Range: 12in 30cm System: Imperial and Metric Systems 1 x Steel Ruler