Type: Stainless Steel U Tube Material and Grade: SA 213 TP. 321 Size: OD.19.05x1.65mm Surface Treatment: Polished /Acid Pickling etc. Application: For Heat exchanger etc. Packing: Wooden Case or as Your Requirement. Payment Terms: TT/LC, West Union, Paypal and O/A. Delivery Time: 7-25 Days after Receiving the Deposit.