1" X 6" Length Sanitary Stainless Steel Spool with Clamp Ends 1 1/2" Type: Clamp, Model: TPT-SP-1-6 Material: Stainless Steel 304 Polish: ID: 180 Grit (32 Ra), OD: 180 Grit. Meets 3 A Standard The welding is POLISHED INSIDE AND OUT