3M SecureFit 400 Anti-Scratch Anti-Fog Safety Glasses (Box of 20)Jobs that require protective eyewear are often the very jobs that cause eyewear to fall off because of the demanding physical work required. The 3M Securefit 400 Anti-Scratch, Anti-Fog Safety Glasses (Box of 20) offer all the usual protection from impacts and ultraviolet light, but they also stay on the user's head where they belong, even during heavy work.  What's Included? 20 x Pairs of Safety GlassesKey Features of the 3M Securefit Protective Eyewear Self-Adjusting: Self-adjusting glasses for personalised and secure fit Secure: Snug fit and moulded nose bridge prevents slippage even when moving Anti-Fog: Clear vision even during exertion due to anti-fog lens Anti-Scratch: Lens will resist scratching for maximum durability UV light: Polycarbonate lens absorb 99.9% UVA and UVB up to 380 nm Diffused Pressure: 3M pressure diffusion temple technology for maximum comfortEN Compliance of the 3M Securefit Protective EyewearThe glasses offer UV protection with good colour recognition, as well as protection against harmful sun-glare. The glasses will protect against high speed particles at low energy, travelling at 45m/s. In addition the glasses have been tested and approved for impact protection at extreme temperature conditions of -5°C and +55°C. EN 166 - Personal Eye Protection (All Colours) Lens: 2C-1.2 3M 1 FT Frame: EN166 FT EN 170: UV protection within the range of 210nm - 265 nm EN 172: Sun-glare protection within the range of 280 nm and 360 nmWho Can Use the 3M Securefit Protective Eyewear?The Securefit Protective Eyewear glasses are designed for use in industrial settings, where impacts are a potential hazard. In addition, the gloves have been tested in the extremes of temperature, between -5°C and +55°C. Following is a list of some suitable applications: Construction Engineering General assembly Woodworking Light duty maintenance and repairScratch Resistant Lenses of the 3M Securefit Protective EyewearTo ensure that your glasses retain their high level of clarity even after extended periods of use the 3M glasses features a scratch-resistant lens. This makes the glasses ideal for work that requires both protection and a high level of attention to detail.How Comfortable Is the 3M Eyewear?The design of the glasses applies pressure on the less sensitive back of the head, instead of side, which achieves a supremely comfortable fit even during rapid head movements.What Is 3Ms Pressure Diffusion Temple Technology?3M’s innovative temple design features slotted ribs that provide comfortable pressure equalisation, allowing the temples to flex and self-adjust to the size and shape of the wearer’s head.What Is the Optical Class of the 3M Eyewear?The glasses are a member of the highest optical class, allowing for prolonged use with excellent coverage and good field of vision. The glasses have a rimless, single-lens design which contributes to this effect.Materials Polycarbonate Nylon Thermoplastic rubberSizing InformationThe glasses are available in a universal, self-adjusting size which should fit most users. They weigh only 18g, lightweight enough for un-obtrusive wear.Additional Documentation Conformity Declaration 3M SecureFit 400 Anti-Scratch Anti-Fog Safety Glasses (Box of 20)