Product Description Replacement 4-point pinlock suspension with standard brow pad for 3M H-700 Series hard hats. From the Manufacturer 3M™ 4-point Pinlock Hard Hat Suspension Replacement, H-700-PS4, is an approved 3M™ replacement part for 3M™ H-700 Series Hard Hats. Using this replacement suspension system can extend the service life of an H-700 series hard hat, potentially resulting in cost savings compared to buying a new hard hat. Replacing the suspension system is recommended if wear occurs that compromises the performance of the original suspension system, or if a fresh, sanitary suspension system is desired for a hard hat to be issued to a new worker. The suspension system comes with a soft brow pad to cushion the forehead for comfort. This 3M accessory is not tested or approved for use with any other manufacturers Hard Hat or non-H-series 3M hard hats.For more than a century, 3M has applied innovation and technology to improving our customers’ lives and supporting their business goals. Today the company, from its headquarters in St. Paul, Minnesota, serves industrial and commercial customers and consumers in nearly 200 countries. Personal Safety products, focused on worker safety, include respirators, hearing-protection products, air-monitoring devices, environmental-safety products, and comprehensive training programs. The 3M brand, across thousands of products, represents consistency, superior quality, and value.