Sturdy Aluminum Alloy Material - Why waste money on a flimsy plastic ruler that will just get broken in your tool bag? Our easy angle ruler is made of premium aluminum alloy, including the bolts! Which is extremely durable, resistant to scratch, corrode etc. Laser Engraved Increments - The upgrade verson angle ruler upgraded to the laser engraved increments that won't fade or scratch off. It is non-toxic, scratch resistant and environment friendly. Measures both inches & centimeters. Extreme Versatility - The ruler can transform into a functional stencil. Using our tool means you only have to measure once, and you can cut the same shape multiple times without going through all the work of remeasuring. Imagine all the time and effort you will save on future projects. Easy to Use - The easy angle ruler can measure any desired angle or shape accurately by tightening or loosening the 4 wingnuts. This instrument is perfect for engineers, craftsmen, DIY-ers, builders, tilers, handymen, carpenter, roofers etc. Scale: 12.1 Inch for the long side arm / 6.8 Inch for the short side arm. We have included a free pouch and pencil, the metal woodworking toolkit can easily be folded and carried to your next project. 100% MONEY BACK GUARANTEE, enjoy a risk free purchase and buy with confidence!