Peachtree 1295 Center Finder for Stock Pieces, Ideal for Finding Center On Square Stock or Round Stock Quickly locates the center for turning stock and other applications. Maximum 8" round, octagon & square; and 5-3/4" hexagon. This center finder is made of impact-resistant plastic. A must have for all woodturners and woodworkers alike! You can depend on this device providing you with precision centering on your work stock. This handy tool allows you to quickly and easily pinpoint the exact center of Circular, square and octagonal-shaped stock (sized up to 8") and hexagonal-shaped stock (sized up to 5-3/4"). Inaccurate estimating will be a thing of the past. Enjoy the satisfaction of creating symmetrical woodworking projects. Its lightweight construction of rugged, impact-resistant plastic makes for easy usability and long-lasting durability. In addition, the clear quality of the plastic insures optimal visibility. The center Finder features two v-stops, one on either side, for enhanced versatility. The 60-degree v-stop is ideal for Circular shapes, and the 90-Degree v-stop is great for square, Octagonal, hexagonal and Circular shapes as well. Simply set stock firmly against the V- stop of the device, and score your first line using the Straightedge guide, rotate stock 90-Degrees and mark your second line. The point where the perpendicular lines cross reveals the true center. To center ovals and rectangles, simply adjust the workpiece higher up on the v-fence to accommodate for the longer side of the shape when scoring the perpendicular line. It's a wood Turner's dream but it is also ideal in a wide variety of woodworking, jewelry-making and other professional and diy applications.