1. 8-5/8" K55 LC API 5CT Casing Coupling.
2. Quantity Tolerance: -0/+5% in PCS per size and in Total.
3. Coupling Must Be Manganese Phosphate Coated as Per API 15B or 16B,Coupling Surface colour coating as per API 5CT 9th or API 5CT 10th.
4. Invoice: Based on actual quantity shipped.