carbon steel rod ends with forging 1,material:GB45;SAE1045;CK45 2,surface treatment:blue zinc plated 3,weight:171g 4,OEM carbon steel rod ends with forging1,material:carbon steel or stainless steel2,surface treatment:blue zinc plated3,weight:171g4,male thread5,left and right hand threaded6,certificate:ISO9001:2008