[klawockvet]

They can kill you. You can work them without a spreader by taking them apart. Still need extreme care, even with a spreader. I have reversed eyes and spreaders dont work well. I use threaded rod from an industrial hardware. Its a better grade and I use fine thread and graded nuts. Place a good c clamp on each side of the bolt that holds the spring pack together. Remove the spring bolt and replace it with a threaded rod. Tighten it up and remove the clamps. Loosen the nuts till the tension is off. Reverse the procedure to reinstall.