3M E-A-R Push-Ins Metal Detectable Corded Earplugs Hearing Conservation 318-3000 in Poly Bag 2000 PR/Case

3M(TM) E-A-R(TM) Push-Ins(TM) Metal Detectable corded earplugs were specially developed for food processing and other industries where it is critical to keep earplugs from contaminating products and processes. Recognized by most metal-sensing systems, these earplugs feature an implanted stainless steel ball bearing in the plug and metal particles in the cord.