Clear polycarbonate visor is a great way to protect you from flying sparks and particles while you work. Suitable for forestry, gardening etc Stops debris getting onto your face and into your eyes Suitable for use with Clear Safety Face Mask Shield Visor Full Face Protection The lens has an aluminium edge Specifications: Approx Size: 8" (203mm) x 12" (304mm) Thickness: 1mm Hole Centres: 135mm CE Approved Conforms to EN166 and EN1731 Pack Size: 5 Note: This visor is clear, not blue as pictured. The Blue is a protective film that you peel off before use.