Bosch 300 ft. Green 360-Degree Self Leveling Laser with Visimax Technology, Mount Plus Compact Tripod with Extendable Height GLL3-300G+BT150 - The Home Depot
Bosch cross line laser AdvancedLevel 360 with premium tripod (3 laser lines incl. 360° for alignment throughout the entire room) : Amazon.co.uk: DIY & Tools