High Quality: 7 inch Aluminum Alloy Carpenter Square, solid aluminum alloy construction for durability. Multi-function: Use as a rafter square tool for angle measurements and a saw guide for cutting. Protractors can be used with square saws for crosscutting or diagonal cutting. The combination square can measure or mark an angle from 0 to 90 degrees very quickly, and as a saw guide for 45 and 90 cuts. Easy to use: Carpenter's square for measuring angles and inclinations, adjust to the required angle, adjust the center lever, tighten the nut positioning to achieve precise positioning, a useful function when making repetitive cuts, comes with a conversion table, which is easy to use. Clear and precise scale: Speed carpenter's squares are calibrated by professionals before production. The scale lines are laser printed, the quick square finish features low glare and a protective powder coating, which is clearly visible, easy to read and will not wear off for a long time. More Applications: The adjustable square as a protractor, miter gauge, metal joiner square, scribe saw guide, framing square and ruler, it can be used for measuring angles, checking waterline, a saw guide, adjusting the saw, drawing circles, marking boards for ripping, leveling, finding roof pitch and so on. Number of Pieces Delivered: 1 Color: Black