... Wholly,it could be used in high temperature .and it won't be oxygened . SEB-B-1 silencer Pivoted and Plated the Nickel WhollyMaterial ... -1-6,SEB-B-1-8,SEB-B-1-10,SEB-B-1-15,SEB-B-1-20,SEB-B-1-25Thread Size:1/8",1/4",3/8",1 ... /2",3/4",1"Thread Kind ...