The 3M™ SecureFit™ X5000 Series Safety Helmet Faceshield Holder connects a variety of 3M Faceshields to the 3M™ SecureFit™ X5000 Series Safety Helmet. By utilizing a unique attachment system, this holder allows for quick faceshield replacement. For added functionality, equip your 3M™ SecureFit™ X5000 Series Safety Helmet with the reliable and quick performance of the 3M™ SecureFit™ X5000 Series Safety Helmet Faceshield Holder.In order to attach the 3M SecureFit X5000 Series Safety Helmet Faceshield Holder to the 3M Faceshields to the 3M SecureFit X5000 Series Safety Helmet, either the 3M Peltor Helmet Adapter for Visors, P3EV/2-10P attachment or 3M PELTOR X Series Earmuff is recommended.