Quick Details Place of Origin: Shaanxi, China (Mainland). Brand Name: Senwell .Model Number: 2 7/8'',9.72Lb/ft .Type: Drill Pipe. Machine Type: Drilling Tool .Certification: API .Material: Alloy steel .Processing Type: Forging. Use: Well Drilling. grade: X .Packaging & Delivery Packaging Details: packing is according to customers' requirements . Delivery Detail: 10-30 Days .