Replacement Suspension, Head Protection Suspension Type Ratchet (6-Point), Fits Hat Size 6-1/2 to 8, For Use With Jackson Safety* Sentry III* Hard Hats, Compatible Hard Hat/Helmet Brand Name JACKSON, Compatible Hard Hat/Helmet Grainger Part Number 8A872, 8VKH5, 9CEH4, 9GDH0, 9HUJ0, 9JWA7, 9L759, Compatible Hard Hat/Helmet Manufacturer Part Number 14407, 14409, 14414, 14416, 14418, 14420, 14423, 14462