Product Information Material: 316 Stainless Steel Select a Product Part NumberNominal Size 0.5SNP161/2" 0.75SNP163/4" 1.25SNP161-1/4" 1.5SNP161-1/2" 1SNP161" 2.5SNP162-1/2" 2SNP162" 3SNP163" 4SNP164" 6SNP166"