005-5261363 Features: -Grade 70 is extremely strong for its light weight and is used primarily for load binding in the transportation industry.-Grade 70"s high strength to weight ratio is achieved by special heat treating.-It resists wear because of its exceptional hardness properties.-Trade Size: 5/16 in.-Material: Carbon Steel.-Working Load Limit: 4700 lb.-End Type: Hook/Hook. Color/Finish: -Finish: Yellow Dichromate.