31 8 mm drill collar for oil wells

{"cid":"91217788","title":"31.8 mm Inside Diameter 9150 mm Length Drill Collar for Oil Well Drilling Oil Field Equipment","imgUrl":"https:\/\/img.chinax.com\/nimg\/b5\/63\/838212dbbcab6bedddcbecaa0e9d-200x200-1.jpg","attrs":{"Price":"1000-3000","Brand Name":"SWS","Minimum Order Quantity":"1PCS","Payment Terms":"L\/C, D\/A, D\/P, T\/T, Western Union, MoneyGram","Product name":"Drill Collar","Number and Connection Table":"NC23-31","Outside Diameter(Inch)":"3-1\/8","Outside Diameter(mm)":"79.4","Inside Diameter(Inch)":"1-1\/2","Inside Diameter(mm)":"31.8","Length(mm)":"9150","Bevel Diameter(mm)":"76.2","Bending Strength Ratio":"2.57:1"}}