Powerful - the Multi - angle measuring ruler deforms freely and is used in different ways.It has a 12-sided ruler and 12 metal buttons that bend freely.Simply adjust the metal knobs to achieve the desired shape.Measuring objects of different shapes is quick and easy. Easy to read and use - our Multi - angle template tool features laser engraved markers and laser engraved centimeter and inch lines.Even if you use the sliding ruler for a long time, you can keep it clear and readable.In addition, the included screws are large and can be replaced with one hand, which is very easy to use. Easy to Carry - This Multi - angle measuring ruler has 12 sides and can be folded with a universal opening positioner, easy to carry and not easy to lose.The universal aperture detector is available in three aperture sizes of 45mm, 25mm and 40mm in diameter, which are connected to each other to avoid losing one at work. Good material, easy to carry - contour indicator made of ABS plastic, strong and durable, will not rust and has a long service life.The opening detector is made of aluminum alloy.It is very durable, made of stainless steel and durable.The original surface will not be scratched during use. Wide range of applications - the 12-sided Multi - angle ruler is a universal tool for measuring angles, bricks, wood, tiles, floors, roofs and metal objects.You can choose a metal square as a gift for a builder, tiler, carpenter, handyman, roofer, carpenter, architect, etc.