This 6 Folding Multi Angle Measuring Ruler is a multi-function metal six-fold ruler with foldable rulers at every angle to meet your everyday needs. It is made of high-quality alloy material and stainless steel which is durable and not easy to rust and deform. The laser etched number and markings on the product will not fade and the multi-hole position measurement is convenient and fast. The product adopts all-metal knobs which is more sturdy and durable than plastic one. Can be used for ceramic tiles, glass, marble, wooden boards and perfect for home decoration, building decoration, mechanical and electrical maintenance and unit backup.