Bosch DLE 40 - 400 mm Professional Angle Measurer is used for quickly and automatically calibrating single and double mitre/bevel angles for a wide range. Bosch DLE 40 has a memory function that stores the frequently used angles that calculated and transferred quickly. It has the latest design and is a handy tool. It is user-friendly and comes in cost-effective rates. Professional Angle Measurer has a rotatable illuminated display that develops optimum readability. The user can record and transfer measurements with just one press button that is easy to operate. Bosch Angle Measurer is dustproof, water-resistant, and no calibration is required during setup.