Factor55 Gray Short Drum Comp Hawse FairleadThe 1. 0 fairleads are CNC machined from 1 and 1. 5 inch thick USA 6000 series aluminum bar. The industry standard fairlead thickness is . 75 inches thick. The thicker aluminum bar results in a larger outer fillet radius for the synthetic rope to slide against. This results in less stress on the rope fibers during high angular pulls, increasing the life of your synthetic rope. The 1. 0 fairleads are the industrys first Hawse fairleads compatible with