Premium MaterialThe multi angle ruler is made of aluminum alloy with black oxidation coated, connected by metal knobs and bolts, rust-proof and won't scratch working surfaces. High AccurateThe six-fold ruler is laser engraved markings perfect for precise and angle measurements,high accuracy,can be accurate to the mm value,clear reading. Multiple ApplicationsThe six-fold multi-angle ruler is a professional angle measurement template tool for duplicate the shape on tiling, wallpapering, laying carpet, laminate flooring.The universal opening locator has five sizes of openings with diameters of 25mm,40mm, 45mm,55mm and 75mm. Easy To UseThe multi angle measuring tool used 6 folding ruler measure the angle and size quickly,locked it,then attached the ruler to the material you need to cut,quickly draw the size and cut it,saving your time and improving your work and productivity. Newly UpgradeOur multi-angle measuring ruler is newly upgraded and feature-rich. It is a measuring tool and tile positioning hole opener.The multi angle ruler has a six-piece ruler and six metal knobs that fold freely. Simply adjust the six metal knobs to precisely create the shape you want. You could select the metal angle measuring ruler as a gift for who work as craftsmen,carpenters,tilers,architects,DIY.