The magnetic catch strap 3M™ Premium 4-point chin strap X5-P4PTCS1. It is available as an optional accessory for the 3M™ SecureFit™ X5500 series protective helmets and can be easily adjusted to suit your individual requirements. Our 4-point chin strap is easy to use, can be used as a replacement for worn or damaged parts and ensures comfort and protection as required. However, the magnetic lock must not be used in working situations with 1000 VAC.