Product Information Material: Aluminum Select a Product Part NumberSwivel ThreadSwivel Thread Size NCS-FDFS-40SNPSH4" NCS-FDFS-30SNPSH3" NCS-FDFS-50SNPSH5" NCS-FDFS-40FNST (NH)4" NCS-FDFS-60SNPSH6" NCS-FDFS-25NSNS12-1/2" NCS-FDFS-50FNST (NH)5" NCS-FDFS-25QQST2-1/2" NCS-FDFS-25CCSA2-1/2" NCS-FDFS-25WWCT2-1/2" NCS-FDFS-30FNST (NH)3" NCS-FDFS-60FNST (NH)6" NCS-FDFS-45FNST (NH)4-1/2" NCS-FDFS-25FNST (NH)2-1/2" NCS-FDFS-25BBAT2-1/2"