Designs: BRV500 Continuous protection from forehead to the chin unisex, universal size BRV501 Protection down to the cheek bones with a cut-out for the nose unisex, universal size Lead Equivalent (Weight): BRV500 Pb 0.10 mm (approx. 525 g) BRV501 Pb 0.10 mm (approx. 505 g) Especially designed for the protection of medical professionals during radiological procedures. Protection of the eye lens against scattered X-rays. The visors provide a high reduction in radiation exposure to the eyes and most of the facial area. The quality features of our visors make them ideal for the use in the medical environment: Certified according to 89/686/EWG Personal Protective Equipment, Category III Adjustable to fit different head sizes Multiple adjustments to conform to individual facial features Easy to set up for fitting the head of the wearer by simply pressing and turning the pivoting mechanism to prevent slipping Comfortable, exchangeable, and washable pads Curved lead acrylic glass with Pb 0.10 mm Low allergy risk due to carefully chosen materials