The operation is very simple: With this tool and our steel ruler you can measure the ideal hole positions of the cabinet handles, drawings and knobs. The multifunctional combination ruler has a clear scale for easy reading and use. High qualityMade of high quality stainless steel, durable, lightweight, easy to use and operate, easy to carry, wear-resistant, not easy to rust, has a long service life. Versatile: Multi-dimensional measurement, can level realize measurement, 90 angle measurement, the 45-degree angle measurement. can be used as a 45 degree miter, height or depth gauge. It's a perfect helper for DIY woodworking. Excellent tools for the carpenter to draw perfect horizontal lines as they slide along the edge of their work. This saves time and improves efficiency. 300mm stainless steel ruler Scriber included Integrated spirit level High-precision anti-reflective graduation, to the millimeter Precision-machined abutment surfaces Auxiliary to ideal measurements Because sometimes the size really matters, our precision ruler goes all the way to its 300 mm. Everything you need for the most common carpentry jobs. Your measurement taken but you don't have a pencil handy? No problem. All you need to do is make an exact mark on your piece using the scriber. This is housed in the body of the tool and therefore always there when you need it.