The 3M™ SecureFit™ X5000 Series Safety Helmet Premium 4 Point Chin Strap with Magnetic Buckle is not only a replacement part for the 3M™ SecureFit™ X5000 Series Safety Helmet — it's an upgrade. Providing an essential function, this chin strap works alongside the advanced suspension system for both enhanced comfort and safety. If the chin strap on your 3M™ SecureFit™ X5000 Series Safety Helmet is damaged or worn. reach for this replacement part for continued protection.Chin straps keep your helmet secure, but it's equally important that they can be removed quickly when needed. The 3M SecureFit X5000 Series Safety Helmet Premium 4 Point Chin Strap with Magnetic Buckle is designed with quick and smooth adjustment in mind. The magnetic, quick-release buckle allows for fast, one-handed operation when you need it most. Maintain proper functionality and unlock the custom-fit features of the 3M SecureFit X5000 Series Safety Helmet Premium 4 Point Chin Strap with Magnetic Buckle.