Laser Lite® Disposable Earplug, Foam, Magenta Yellow, Uncorded, Poly Bag no checkout Curved jaw puts tremendous pressure Curved jaw puts tremendous pressure on four points of any style nut or bolt head Includes convenient wire cutter Constructed of high grade heat treated alloy steel for maximum toughness and durability Guarded release trigger quickly unlocks and protects from accidental release Turn screw to adjust pressure and fit and leaves 3X less lint than shop towels soil resistant closed cell foam skin prevents dirt build up Vibrant colors make protection visible Self adjusting polyurethane foam expands to fit virtually every wearer Contoured T shape for easy insertion and wear Smooth