Laser croix 360° Bosch autonivelant à faisceau vert GLL50-40G | RONA
Bosch Professional Cross Line Laser GCL 2-15 (Red Laser, Interior, with Plumb Points, Working Range: 15 m, 3 x AA Batteries, RM 1 Rotating Mount, Laser Target Plate, Protective Bag) : Amazon.co.uk: