-Material:Stainless steel 304-A2,316-A4 -EU type open body turnbuckle (jaw and jaw) -Surface Treatment:Electro polished / Passivated -The Cast Jaw and Jaw Turnbuckle with Nuts features an open body. -It is available in sizes ranging from M5 to M22 to fit every project. -These turnbuckles are made from grade 304or 316 stainless steel for maximum corrosion resistance and durability.