Feature: 1. Forged with ABS plastic, light and compact, easy and convenient to use. 2. 1 Magnet at the bottom, which is directly adsorbed on the work surface for accurate marking. 3. Suitable for determining the level of the center of the board during the work process of plate grooving, pin joint, assembly, etc. The thickness of the plate is ≤63MM. 4. Including 4pcs center line gauge of the package, meeting your different needs. 5. Come with 4pcs pen of the package, made of quality ABS plastic and strong magnet material. Specification: Condition: 100% Brand New Item Type: Center Line Gauge Material: ABS Plastic + Strong Magnet Color: Blue Weight: 45 g / 1.6 oz(approx.)Size: As Pictures Show Maximum Thickness: Approx. 64mm / 2.5in Sideline Specifications: 1/16inch, 3/16inch, 5/16inch, 7/16inch, 1/8inch, 1/4inch, 3/8inch, 1/2inch Usage: The center scriber is suitable for determining the accurate position of the center of the board in the work process of plate grooving, pin joints, assembly, etc., and marking the center line and the side line. Regarding the error: the above data are all manual measurements, and there may be an error of 1-3MM; some discrepancies in different batches are normal, please refer to the actual product for details. Package List: 4 x Center Line Gauge4 x Pen