Ear Muffs, Earmuff Style Hard Hat-Mounted, Noise Reduction Rating 27 dB, Dielectric No, Cushion Material Foam, Polyurethane, PVC, Compatible Manufacturer Model Number H-700: X-5000, For Use With H-700, X-5000, Cup Color Black, Series 105, Earmuff Type Rigid, Standards CSA Class AL, Replacement Pad Grainger Part Number 3MHY54, Band Material Acetal, PVC, Stainless Steel, Cup Material ABS, Features Earcup Pivot Points, Easy Cap-Mount Design, Foam Filled Earmuff, Twin-Cup(TM) Design, Weight 0.7 lb