The best measurement tool for carpentry projects! Laser Measuring Instrument is suitable for hanging pictures, installing shelves, adjusting furniture position, laying floors, hanging wallpapers and so much more that you can think of. The 4 In 1 Laser Measuring Tool is a necessity for every home. A good home improvement tool that combines a fine-tuned tape measure, a triple- positioned level, bubble light and a laser beam into one to provide maximum and accurate results. 4 In 1 Laser MeasuringInstrument has the following specifications: