Product Name: API 5CT Grade J55 Tubing Crossover
Type: Cross Over
Material: API 5CT Grade J55
Size: 2-3/8 Inch * 3-1/2 Inch
Length: 1 FT
Pipe Weight: 4.7 PPF
Ends: EU Pin * 8RD EUE Box
Application: Oilfield Tubing Connection, Drill String Adaptation

Source: https://www.landee.cn/api-5ct-j55-tubing-crossover-2-3-8-3-1-2-inch-pin-box.html