HP542RS REPLACEMENT SUSPENSION Description Description Replacement 4-point nylon ratchet suspension for Dynamic HP542R or HP641R, & HP642R foam shell Related products HP1X4-ORG, ORANGE HARD HAT REFLECTIVE STRIPES FMMP2QRWG GREY FIBREMETAL P2HNQRW71A000 BLUE FIBERMETAL EP81540 UNIVERSAL FACE SHIELD