JCM-45o Convex unbreakable traffic mirror, diameter 45cm (18"), for road safety and shop security with adjustable fixing bracket for pole 48 mm (1.5")Convex mirrors help you see and be seen indoors and outdoors, depending on your needs. Convex mirrors remove dead spots, increasing visibility and surveillance capability in retail outlets and homes. Convex mirrors allow road users to see blind spots, especially in parking lots, garages and interior lanes. Convex mirrors offer up to 160 degree field of view with a wide angle lens. Lightweight, simple to install: professional skills not required for