【Durable Aluminum Alloy Metal Material】: This multi angle measuring ruler is made of premium aluminum alloy, won't break from bending or rusting, more durable and sturdier than the plastic one. Say no to your fragile template tool

【Upgraded Angle Measuring Ruler 】: This angle ruler has 12-piece ruler and metal knobs with a tile positioning hole opener, you can adjust the six metal knobs to create the desired shape accurately and then find the position to drill the correct hole. With folding 12 sides, users can easily create and measure special angles or shapes by the angle finder tool to improve work efficiency.

【Accurate and Convenient Measuring Tool 】: This multi-function ruler is Laser engraved markings (inches & centimeters) which is perfect for precise and accurate angle measurements. With 4 adjustable, 2-sided arms, you can create a custom stencil for every job. The Angle Ruler is also very handy and easy to use, which is the perfect gift for your weekend warrior friends