Bolle Safety B711 frame metal/gunmetal 48/21

Product description

Metal spectacle frames for prescription lenses for work use. A close-to-the-eye model designed for use under breathing mask-eye protection combinations and full-face shields that provide a panoramic view. Flat side arms follow the shape of the head closely and the especially flexible cable temple tips offer firm fit even in the most difficult working positions. FLEX 160 ° pump design on the side arms: The side arms open beyond the normal open position, so they are easy to put on and take off and the spectacles fit also for a wide head.

These frames do not have EN166 type examination certification, as the intended use is under eye protection in accordance with EN166, in those work situations where there are threats that require said level of eye protection.

Lens width 48 mm. Nasal space 21 mm

Prescription limits SPH: + 8 / -8

Max. cylinder CYL: +/- 6

Base: 4

Side arms: 147 mm

Weight: 18 g

Color: Gunmetal gray

Nickel-free construction, also suitable for nickel allergy sufferers

Suitable lens materials: Polycarbonate, CR39, mineral glass

Available lens types: Single vision, bifocal, progressive

Delivery includes:

Frames, semi-rigid carrying case, neckline and microfiber cleaning cloth.

• Color · Grey

  Indicates the frame and lens color, which may affect visibility, light filtering, glare reduction, or compatibility with specific work environments.

• Frame Style · Flexible

  Defines the frame's structural design that affects coverage, compatibility with other PPE, and fit features like adjustability or over-glasses capability.

• Lens Color · Transparent

  Indicates the tint of protective lenses that filter specific light wavelengths, enhancing visibility and reducing eye strain in various work environments.

• Weight · 18 g

  Measured in grams or kilograms, indicating how heavy the eyewear is when worn. Lighter glasses reduce fatigue during extended use in industrial settings.

• Lens Material · Polycarbonate

  The composition of the lens that determines impact resistance, optical clarity, and protection against specific workplace hazards like debris, chemicals, or radiation.

• Frame Material · Metal

  The composition of the frame that affects durability, weight, comfort, and resistance to chemicals or impacts — crucial for selecting appropriate protection for specific workplace hazards.

• Eye Protection

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