Hard Hat Suspension, Head Protection Suspension Type Pinlock (8-Point), Fits Hat Size One Size Fits Most, For Use With P2A, P2HN Hard Hats, Compatible Hard Hat/Helmet Brand Name HONEYWELL, Compatible Hard Hat/Helmet Grainger Part Number 23V864, 23V865, 23V866, 23V867, 23V868, Compatible Hard Hat/Helmet Manufacturer Part Number P2AW01A000, P2AW02A000, P2AW09, P2AW11, P2AW12, P2AW15A000, P2AW46, P2AW71A000, P2AW74A000