"ACE" "S" HOOK *.306" wire dia. *2-1/2" overall *Hook I.D.: 3/4" *Hook opening: 1/2" *Hook length: 1-1/4" *Load limit 250 lbs. *Zinc plated steel *National cross reference # 121-715 *Carded/2 *Discovery ACC, CON, NBR, SUP