Sanitary - Extra Length Tri-Clamp Hose Fitting Material: 304 Stainless Steel   Westco fittings are made from 304 stainless. Each triclamp hose fitting is 33% longer than competing fittings, for better gripping power of the hose. They have a brushed polished OD with a 15Ra inside finish and tri-clamp ends as well as they meet all industry standards.