Features: Specially for carpenter, a high value marking tool, a powerful assistant for carpenter. Base auxiliaries marking, easy to draw straight lines, thickened base auxiliaries marking, draw smooth straight lines. Precise positioning, Angled marking, equipped with Angled measuring auxiliaries ruler, auxiliaries marking. Removable Angled measuring auxiliaries ruler, accurate Angled measurement, can be used on both side, Angled measurement is more accurate. Detail determine quality, more detail. Thickened aluminum material, more durability. Specifications: Component:Aluminum Size:Approx.200mm/7.87inch Package Includes: 1 Set Measuring Ruler note: Please allow 1-2cm errors due to manual measurement, making sure that you not mind before order. 2.Due to the differences between different monitors, the picture may not reflect the actual of the item.