The worlds fastest professional countertop (worktop) scriber tool. It completes traditional scribing chores with precision, speed and ease.|quick and easy to use by remaining stable while scribing directly onto work-surfaces, flooring, shelves etc.|it works by running a wheeled scribe unit along an irregular feature. The sprung pencil in its center will accurately copy the profile directly onto the work-piece to be installed. It can then be cut and fitted to the surface resulting in a perfect butt!|four sizes of quick fit track wheels to cope with a variety of situations.