The Pyramex S4120S is an Intruder safety glasses model with a gray lens, sold here as a box of 12 pairs. It is a lightweight, frameless style that the maker describes as suited to long hours on the job.
Key features
- Frameless, lightweight design
- Wraparound polycarbonate lens that gives an extended field of vision and UV protection
- Integrated nose piece that helps hold the glasses in place
- Scratch-resistant lenses
- Gray lens, with no anti-fog treatment on this model
Specifications
- Model: Pyramex S4120S (Intruder), gray lens, no anti-fog treatment
- Standards: the maker lists ANSI/ISEA Z87.1-2020 + High Impact and CAN/CSA Z94.3-20 certification
- Lens marking: P Z87+ U6 L3 (the maker’s key reads L3 as a visible light filter of 18% maximum)
- Materials: polycarbonate lens, temples and hinge; stainless steel screw
- Weight: 23.1 g (maker’s measurement for the Intruder line)
- Bridge: 17.27 mm; lens base: 10 curve; lens thickness: 2.5 mm
- Overall length (lens to tip): 156 mm; overall width (hinge to hinge): 135.5 mm; PD: 64 mm
- Pack: box of 12 pairs
In the maker’s marking key, Z87 stands for the ANSI/ISEA Z87.1-2020 standard and + for high impact. Check the marking on the glasses you receive.







