Woodworking Compass Scriber — precise, durable, and easy to use Key benefits Precise measurement and fast locking: brass screws secure the sliding ruler for accurate scale adjustment. Slide to the desired position and lock quickly for repeatable marks. Faster, cleaner layout work: thumb screws allow quick attachment and accurate parallel scribing, reducing setup time and improving consistency. Long-lasting construction: aluminum alloy components and a rust‑proof main body provide durable performance for frequent shop use. Portable and convenient: lightweight positioning blocks make the tool easy to store and carry to job sites. What it does Mark circles, arcs and angles with consistent accuracy. Scribe parallel lines and transfer measurements quickly across workpieces. Hold set measurements securely for repeated cuts or templates. Materials and performance Sliding ruler with brass locking screws for fine adjustment and secure holding. Thumb screws for fast clamping and positioning during layout work. Aluminum alloy parts for strength and reduced weight; rust‑proof main body for corrosion resistance and long service life. Practical applications Cabinetmaking and furniture layout: mark precise parallel lines and circles for joinery and hardware placement. Cutting speaker holes, vents or round components: scribe accurate circles and arcs as templates for routing or sawing. On-site carpentry and repairs: portable design lets you measure and mark accurate lines and angles when working in tight or mobile environments. Why you need it Reduces measurement errors and rework by keeping settings stable. Speeds up repetitive marking tasks so you spend less time measuring and more time cutting and assembling. Built from durable materials that hold up in the workshop and on the job. Includes clear adjustment and locking features for reliable, repeatable layout—ideal for woodworkers who need accurate circles, arcs and parallel scribing in a compact, durable tool.