Durable Stainless Steel Ruler: Hardened stainless steel with a polished, rustresistant surface. Both metric and imperial measurements are laseretched for clear readability and longlasting accuracy. 360Degree Adjustable Angle with Lock: Rotates to any angle from 0 to 360 degrees, and a secure locking knob keeps the angle fixed during marking and cutting. Can also double as a depth gauge for versatile surveying and measurement tasks. Hardwood Handle: The Tbevel blade is crafted from quality stainless steel for durability and rust resistance. The wooden handle, accented with brass, provides a comfortable, steady grip and a professional appearance. Ideal Length and Build: Overall length 25 cm, with a 17 cm wooden handle, offering a compact yet sturdy tool that fits easily in a toolbox while delivering reliable longterm performance. Versatile Applications: Designed for engineers, carpenters, craftsmen, and architects to create precise lines and measurements. Suitable for both DIY projects and professional applications. Use scenario 1: Marking precise cut lines on timber for framing, shelving, or trim work by locking the desired angle and tracing accurate paths. Use scenario 2: Transferring complex architectural angles or moldings onto wood or other materials, ensuring accurate reproduction of designed layouts. Use scenario 3: Depth gauging in joinery tasks, such as checking groove or mortise depths, or setting cutting depths when using accompanying tools.