Pack of ten replacement hard-coated outside cover lenses (part number 527000) to suit the 3M™ Speedglas™ Welding Helmet Series 9100 and Speedglas™ G5-01 welding helmet.

• Hard-coated Speedglas outside protection plates have a heavy-duty coating which helps to prevent scratches, wear and tear
• Scratch-resistant cover lenses last approximately twice as long as the standard outside cover lenses 
• It is suggested to replace hard coated cover lenses once a fortnight depending on use
• High-heat cover lenses also available (part number 527070)
• Lens size 155 x 96mm.