Aluminum Alloy Multi-Angle Template Tool: The angle finder is made of aluminum alloy. It won't bend or break easily, rust. It is more durable and stronger than plastic. 2.5cm thick aluminum alloy material. 12-Section Multi-Angle Measuring Ruler: You will receive a 12-fold ruler and a perforated head. It can be divided into 2 6-fold rulers. You can combine or split it. Meet your different needs. Each angle ruler has a 12-piece ruler and a metal knob with a tile positioning hole saw. You can adjust the 12 metal knobs to create exactly the shape you want, and then find the right place to drill the hole. Accurate Multi-Tool: This ruler is engraved on both sides with centimeters or inches to measure. Can be adjusted according to your needs. Accurate measurement and clarity. Each ruler measures 12 cm. These scale units will not fade or wear out. Various Applications: The flexible double-hole angle ruler is suitable for measuring jobs such as creating bullseyes, arches, plumb cuts, and more