The chin strap with exclusive changeover function: 3M™ standard 4-point chin strap X5-S4PTCS2. The patented converter allows the helmet to be adjusted to safety standard EN 397 or EN 12492, depending on the requirements at the workplace. Our 4-point chin strap is easy to customize and comes with the 3M™ SecureFit™ X5000 Series Protective Helmets. Our chin strap with plastic lock is easy to attach and to use. This provides you with optimum protection and comfort at the same time.