Caldwell Spreader Beam End Fittings, 7.5t- 39t capacityThese spreader beam end fittings are designed to work with a range of shackle sizes, both top and bottom. You can effectively build your own spreader beam. Pricing is for a pair of end fittings. If a four point or rectangular spreader frame is required for an application, you simply need to remove the end fittings and add corner sectionsthe struts are the same. Complies with ASME standards when assembled to specifications using A53 Grade B, schedule