Gresser Positioning Laser Line Laser isolated Line Laser Module, green, 90 °, 532nm, 50mW, 230V AC, 40x210mm, class 2M, incl. Mount, for positioning and alignment in wood and stone industry - 70115574 : Amazon.fr: Bricolage
Mini VFL Laser Fibra Optica Visual Fault Locater 50mW Red Testeur Fibre Optique Lumineuse 25km - AliExpress Cellphones & Telecommunications