Bullard Hard Hat Suspension 6 Point Pinlock 6-point pinlock hard hat suspension for Bullard hard hats The 6-point suspension system provides a comfortable, secure fit and allows for the distribution of energy over 3 crossed straps attached at 6 points Incremental sizing of 1/16 hat size (5mm) makes a secure fit easy, vertical adjustment capability (2 in front, 3 in rear) provides for a comfortable fit on different head sizes, and size adjustments on the headband allow the hard hat suspension to be centered inside the shell for better balance and comfort Compatible with Bullard hard hats manufactured before 2008.