How to make a Spreader Bar

Using scrap and material laying around, I build a spreader bar for my crane so that I can pick up wider objects and keep everything safe and level. 12" I-beam; 30 lbs per foot: 5 feet 3/8" plate on each end Military HumVee hooks on both sides 3/4" Pin shackle for middle lifting point All welded with 3/32" 6010 reds at 80 amps