This Craftmeter® is a best-price beechwood folding ruler with an angle finder (to measure the slope of roofs, stairs etc.). It also offers a large advertising space and a high-strength magnet that is made of neodymium, a material that has the strongest holding force in the world. The magnet is integrated into the first section of the ruler and has a holding force of max. 500 g. With it, you can easily retrieve screws, nails, tools, keys etc. from engines, machines and ducts.