Traffic mirrors made of acrylic glass, polystyrene frame, round, 600 mm. Supplied = assembled. Place of use = indoor and outdoor use. Shape = round. Mirror material = acrylic glass. Frame design = with type 2 red reflectors. Frame material = polystyrene. Diameter = 600 mm. Max. observation distance = 12 m. Min. observation distance = 9 m. Product type = traffic mirrors. Weight = 6.3 kg. Made of impact resistant acrylic glass for indoor and outdoor use. Wind load certified to wind force 12 (hurricane >117 km/h) Excellent, virtually distortion free view - UV resistant. Polystyrene frame with red reflectors made of type 2 reflective film. Optimum adjustment with four point bracket with ball joint for tubular post 60 - 85 mm. Specifications on the viewing distance are approximate values.