Blackrock's Arm Adjust Safety Spectacle features a flexible nylon arm with variable length adjust to ensure a good fit. It protects against high speed particles in extremes of temperature and the durable, anti-scratch polycarbonate lens is available in 3 colours: clear for normal daylight, yellow to enhance visibility in dim lighting conditions and smoke to reduce glare in brightly lit environments. Features Wraparound style with arm length adjust • Durable, anti-scratch polycarbonate lens • Protects against high speed particles Wraparound style with arm length adjust Durable, anti-scratch polycarbonate lens Available in clear, yellow and black Certified to EN166 Material Composition Polycarbonate lens • Nylon arms We deliver Blackrock Safety Glasses With Arm Adjust worldwide.We specialise in shipping almost anywhere in the world securely at competitive prices - across UK, US, Canada, Ireland, New Zealand, Europe - securely and fast at competitive prices