Bosch cross line laser Quigo with universal clamp MM 2 (easy and precise alignment with flexible positioning of the tool thanks to the universal clamp)

Stanley Cross90 Red Self-Levelling Cross-Line Laser Level

Laser Level Self Leveling 4x360° - 4D Green Cross Line 100 feet DIY Bright Laser Leveler for Picture Hanging, Tile, Decoratio, Construction Indoor Project, w/Magnetic Mount, 2 Rrechargeable Batteries