SparkPlugs Metal Detectable Foam Earplugs, Foam, Metal Detectable with Cord ORS NASCO Helps prevent the effects of Helps prevent the effects of suspension trauma after a fall Allows worker who is suspended to stand up in their harness to relieve pressure A safety accessory that can be attached to most harness brands styles right in the field Added durability with hardened carbon steel for strength Split point pilot drill for faster penetration and less walking and seals gently and snugly without pressure fun colors provide easy compliance checks Metal detectable for food processing applications The ball bearing and cord are in separate holes so that the ear plugs remain detectable even if the cord is removed The ear plugs are corded to prevent ear plug loss Their tapered shape fits easily in the ear canal