Product Information Description: Two hole tab for hammer union plug and cap Material: 316 Stainless Steel Select a Product Part NumberIntended ServiceUsed on JK-090617-26" and 8" hammer union flanged adapters JK-080317-24" and 5" hammer union flanged adapters TAB600800Used with HUFE-3, HUHA-16 and HUHA-176" and 8" hammer union flanged adapters