Hard Hat Suspension Head Protection Suspension Type Pinlock (4-Point) Fits Hat Size 6 to 7-1/8 For Use With V-Gard(R) Hard Hats Compatible Hard Hat/Helmet Brand Name MSA SAFETY Compatible Hard Hat/Helmet Grainger Part Number 10E656 22EY79 22EY80 22EY81 22EY82 22EY83 22EY85 22EY86 22EY87 22EY88 22EY89 38ZL94 3PUP8 3PUP9 4LN68 4LN76 4LN83 4LN85 4LN94 4LP02 4MD02 5KAX4 8UWM3 9D111 9FLG7