Click here to buy the Bosch GLM 40 Laser Measure | Make precision laser measurements with the Bosch GLM 40 Laser Measure, that takes instant accurate measurement of distance, area and volume.
Bosch Professional Laser Measure GLM 40 (with Memory Function, Measuring Range: 0.15–40 m, 2 x 1.5 V Batteries, Protective Bag) : Amazon.co.uk: DIY & Tools