*- Product information: Lightweight, semi-frame design, with soft nose pad and length/angle adjustable nylon legs. The durable polycarbonate lens is replaceable and provides impact resistance. Can be bifocal with diopter +1.0 – 3.0 as both safety glasses and reading glasses. Good for general use against dust, foreign particles and chemical splash. Anti-fog treatment and Anti -Scratch is available.

Datasheet: GS- 5040 CLEAR Datasheet