Images and designs are protected by copyright. © National Safety Signs Laser in use W30165From: $8.71 Select Size Choose an option225mm x 150mm300mm x 225mm450mm x 300mm600mm x 450mm900mm x 600mm Material Choose an option.55mm Steel1.6mm AluminiumCorflutePolypropyleneVinyl StickerClear *Select Reflective NoneClass 2 Reflective (Similar to Car Number Plates)Class 1 Reflective (High Prismatic Road Reflective)Luminous Material (Glow in the Dark, Emergency signs, NOT Road Signage) Protective Overlaminate Have Additional Instructions? Laser in use W30165 quantity Add to cart or quote Related products X-ray W3083 From: $3.51 Add to cart or quote Laser Hazard No Entry C1906 From: $19.77 Add to cart or quote X-Rays in Progress W3082 From: $8.71 Add to cart or quote RF Hazard Sign W30146 From: $8.71 Add to cart or quote