Carpenters & Plumbers Protractor for Building Accuracy Review

【FRIENDLY DESIGN】This miter saw protractor could directly measuring the inside or outside angle between two walls preper for a miter cutting without calculations, smarter and friendly for who is poor at math when they are do baseboard trimming work. 【MITER CUT AND SINGLE CUT】This professional miter protractor has two scales to measure angles. One for a single cut which use the ourside scale, where only one piece of material is cut, and another one which use the inner scale, where two pieces of material are cut, and must line up/match. 【MULTIFUNCTIONAL ANGLE FINDER】This angle gauge tool can be usd as a measuring ruler by the scale on two legs, One of them are read in INCH, the other is read in CM. 【MITER ANGLE FINDER】It's also equip with high precision level gauge design for simple tasks of level measuring, And measuring arm can rotate freely without any dead angles. 【DURABLE CORNER ANGLE FINDER TOOL】D DUSSAL bevel protractor is made from high-quality ABS plastic and it's resistant to scratch and very durable without worrying about rust and deformation, well installed keep it will not loose and shake durring reading the scale.