90Degree Laser Meter Infrared RightAngle Levelling Instrument Tile Level Measurement

1、On a surface emitting straight line a straight line can be in any angle. Can be single double operating at a 90 degree angle. 2、Suitable for carpentry stair starting boards shelves molding laying tile or any other job requires precise alignment. 3、It maintains the original characteristics of rectangular device while the output of two extended 90° right angle laser chalk line can significantly extend the length of the rectangular device. 4、Protractor scale can be changed depending on the angle of the reticle saving protractor and marking time is an effective tool. 5、With two suction cups suction cup can only be used on a smooth surface such as glass ceramic tile. 90 high?accuracy level meter designed for 90 stickers tiles.