he M.POWER "Perfect Butt" Profile Scriber is a simple and elegant solution to the age-old problem of accurate profile copying and offsetting. Curved or straight, it gives you a perfect profile, and a perfect butt joint, every time. Now with 5 different wheel sizes our profile scriber can cope almost every conceivable profiling situation. It's also the fastest accurate profile scriber in the world, completing traditional scribing chores with precision, speed and ease.
Keep your scribe at a constant distance from the profile you want to copy.
Comes with three different sizes of interchangeable tracing wheels.
The spring loaded pencil will remain in constant contact with your work piece.