TRUSCO earplugs with metal balls and cord TEK-31H 1 S

Catalog number: TEK-31H Features: ● Provides stable and excellent sound insulation performance from low to high frequencies. ● Contains metal balls to react to metal detectors. ● Made of high-density material, these earplugs fit snugly into the ear canal and are smooth and soft. ● Ideal for preventing foreign objects from entering. Specifications: ● Cord: Yes (680mm) ● Size: Free ● NRR value (dB): 31 ● NRR value: 31dB ● ANSI compliant ● Disposable type Material/Finish: ● Earplug body: Polyurethane (PUR) ● Cord: Polyvinyl chloride (PVC) ● Copper ball built-in