Make the decision that will make your child and/or your inner child delighted. You will not go wrong with Enday it is the smart way to go! Our clear plastic rulers are created with detailed and thought-out designs that make it a cut above. Starting with that it has both metrics and inches, its lightweight, and is made from transparent materials so you can have the perfect measurements and magnificent and meticulous shapes, angles and lines you strive for. This set of tools is the one for any teacher, carpenter, engineer, mathematician, artist etc. The school rulers are transparent so you can see the numbers and lines beneath it and get the most undeviating dimensions possible! With a translucent color and lightweight design you can bring the rulers to school or keep in your home or/and office. It comes with a straight ruler, 30/60 degree triangle ruler, 45 /90 degree triangle ruler, and a 180 protractor so use all this geometry set has to offer to get the perfect numbers!!