The 3M™ Premium 4-point Chin strap with exclusive adjustment featureX5-P4PTCS2 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 magnetic lock is easy to fix and operate. This provides you with optimum protection and comfort at the same time. It can also be purchased separately as a spare part. However, the magnetic lock must not be used in working situations with 1000 VAC.