Ferrule 1) Material: Stainless steel 304, 316L 2) Standard: 3A, ISO, DIN, SMS, Ferrule1) Material: Stainless steel 304, 316L 2) Standard: 3A, ISO, DIN, SMS, 3) Specification: 0.5"-4", DN10-DN100 The specifications can be designed and satisfied for customers' special requirement 4) Price: Very competitive, especially the price for stainless steel series 5) Packing: As per customers' requirements