MSA SAFETY Hard Hat Suspension,4-pt. Ratchet

Hard Hat Suspension; Head Protection Suspension Type Ratchet (4-Point); Fits Hat Size One Size Fits Most; For Use With Thermalgard(R); Topgard(R); Compatible Hard Hat/Helmet Brand Name MSA SAFETY; Compatible Hard Hat/Helmet Grainger Part Number 3RRR5; 3RRR6; 3RRR7; 3RRR9; 43FD16; 475385; 4LP01; 4MC41; 4MC61; 4MC62; 4MC63; 4MC64; 4MC65; 4MC66; 4MC67; 4MD34; 4MD36; 4MD37; 4MD38; 4MD39; 4MD40; 4RB37