SparkPlugs Foam Earplugs, Foam, Assorted, Uncorded ORS NASCO Tough brass hinge pin is

SparkPlugs Foam Earplugs, Foam, Assorted, Uncorded ORS NASCO Tough brass hinge pin is Tough brass hinge pin is durable and allows both jaws to carry current Enclosed heavy duty spring assures a powerful bite on the work Insulation on top and bottom jaws provides extended spring life Roughneck caps are built to provide exceptional crack resistance and handle hard knocks in the toughest places The P2A series tolerates heat up to 370° wile delivering a long service life under many adverse conditions The P2HN series is designed for high performance at extremely elevated temperatures up to 500° in these extreme environments Extra soft foam and tapered design fit snugly and comfortable in the ear Bright fun colors provide easy compliance checks