Bosch laser spirit level PLL 1 P with wall mount (laser line for flexible alignment on walls and laser point for easy height transfer) : Amazon.co.uk: DIY & Tools
Bosch 3-Point Torpedo Laser Alignment Kit GPL3T
Bosch Three-Point Torpedo Alignment Laser M-(GPL3T) | Classifieds for Jobs, Rentals, Cars, Furniture and Free Stuff