4 1 2reg oil field tools

{"cid":"91217788","title":"4-1\/4 Inch 4-1\/2REG NC38 Oil Field Tools And Equipment","imgUrl":"https:\/\/img.chinax.com\/nimg\/77\/f0\/fb45518b0cc0d474862d1690b04d-200x200-1.jpg","attrs":{"Price":"777","Brand Name":"SWS","Minimum Order Quantity":"1 PCS","Place of Origin":"China","Product Name":"Rotary Kelly","Standard":"API 7-1","Size":"4-1\/4","Upper and Lower Connection":"Hexagonal","Top Connection Thread":"4-1\/2REG","Bottom Connection Thread":"NC38","Top Connection OD":"5-3\/4","Bottom Connection OD":"4-3\/4","ID":"2-1\/4","Drive Section":"5-9\/16","Use":"Oil and Gas Drilling"}}