Durable construction: made from carbon steel for longlasting strength and resistance to everyday wear in a workshop or on the job. Secure pencil holder: builtin pencil fixing device holds a marking pencil firmly in place so you can draw straight, repeatable lines with control and accuracy. Improves layout and marking: helps you make precise guide lines for cutting, drilling, or finishing — reducing measurement errors and rework. Compact and portable: small size fits easily in a toolbox, apron pocket, or tool bag for convenient transport and onsite use. Easy to use: straightforward operation lets you set and mark quickly without complicated adjustments. Practical applications Workpiece processing: mark accurate layout lines on metal or wood before cutting, drilling, or machining. Craft and hobby projects: transfer straight lines and guides for model making, cabinetry, or decorative work. Onsite layout and repairs: portable marking aid for quick measurements and alignment while servicing equipment or installing fixtures. What this provides you Reliable, precise marking for cleaner, faster work and fewer mistakes. A sturdy tool that stands up to workshop use and stays ready when you need to mark materials. Simple compatibility with a marking pencil secured by the fixed device, so you can focus on the task instead of adjusting tools.