Hard Hat Suspension, Head Protection Suspension Type Ratchet (4-Point), Fits Hat Size 6-1/2 to 8, For Use With Hard Hats, Compatible Hard Hat/Helmet Brand Name MSA SAFETY, Compatible Hard Hat/Helmet Grainger Part Number 55JL87, 55JL88, 55JL89, 55JL90, 55JL91, 55JL92, 55JL93, 55JL94, 55JL95, 55JL96, 55JL97, 55JL98, 55JL99, 55JM01, 55JM02, 55JM03, 55JM04, 55JM05. This item has been restricted from sale in the following state (s): []