This is a heavy duty rigging set up for cranes (4 hook, 3/8 chain, 20' long). Here is the listing for this new-

https://www.uscargocontrol.com/products/3-8-x-20-adjustable-4-leg-chain-sling-w-gunnebo-chain-and-grab-hooks-grade-100?cq_src=google_ads&cq_cmp=22012962656&cq_con=351159316241&cq_term=&cq_med=pla&cq_plac=&cq_net=g&cq_pos=&cq_plt=gp&utm_term=&utm_campaign=USCC+Shopping+-+Lifting+Slings+-+Crosby+Chain+Sling+w/Self-Locking+Hook&utm_source=adwords&utm_medium=ppc&hsa_acc=5185776341&hsa_cam=2052039736&hsa_grp=351159316241&hsa_ad=1450074624904&hsa_src=g&hsa_tgt=pla-2575382176272&hsa_kw=&hsa_mt=&hsa_net=adwords&hsa_ver=3&gad_source=1&gad_campaignid=22012962656&gclid=Cj0KCQjwmYzIBhC6ARIsAHA3IkQog6VhUgwC5pqRS8E7fHkARfhsLAHIlEOcWs9rhsbiSUKnC6RGROkaAgKDEALw_wcB