Precise, repeatable measurements: The woodworking compass scriber lets you set and lock an exact scale by sliding the ruler to the desired position and tightening the brass screws. Save time by stopping re-measurement and get consistent results across multiple parts. Accurate parallel scribing: Thumb screws provide fine control for parallel marks. Once set, the tool maintains parallelism so you can scribe clean layout lines for joinery, edge banding or inlay work without guessing or rechecking. Reliable construction for long-term use: The main body is rust proof and the frame is made from aluminum alloy for a durable, lightweight tool that resists corrosion and handles shop wear. Brass locking screws add secure clamping and smooth adjustment. Versatile marking capability: Use it to draw precise circles, arcs and angles or to transfer measurements directly from templates. The design supports both radial and linear layout tasks with the same setup. Portable and easy to store: Lightweight positioning blocks and a compact profile make the scriber simple to carry between the shop and job site or to stow in a kit. Ready to use wherever your project takes you. How this solves common problems Eliminates cumulative measurement error: Locking the ruler and using thumb screws prevents drift when marking multiple pieces, improving fit and finish. Speeds repetitive layout work: One setup produces many identical marks, reducing setup time on repetitive cuts. Prevents rust and wear in mixed environments: Aluminum alloy and a rust-resistant body keep the tool accurate even in humid or varying workshop conditions. Compatibility and materials Works with standard layout pencils and most woodworking rulers (ruler slides and locks into place). Main body: rust proof finish; construction: aluminum alloy; adjustment and locking hardware: brass screws and thumb screws. Function: adjustable scale, secure ruler lock, parallel scribing, circle/arc/angle layout. Practical use scenarios 1) Cabinet joinery: Set the scale once to scribe parallel lines for dadoes, tenons or grooves across multiple stiles and rails for consistent, repeatable cuts. 2) Pattern and template work: Quickly draw precise arcs and circles when creating router templates or wooden patterns, then lock the setting to replicate the curve on multiple blanks. 3) On-site layout: Carry the lightweight tool to a renovation or installation job to mark cut lines, angles and offsets directly on installed trim or fixtures without lugging heavier jigs. What to expect in daily use Quickly adjustable scale with tactile locking via brass screws. Smooth fine-tuning and repeatable parallel marking using thumb screws. Durable, low-maintenance body that resists corrosion and stands up to regular shop use. This woodworking compass scriber is designed to give consistent, accurate layout control, reduce re-measuring, and fit easily into your tool kit for shop or field work.