wellhead studded cross,flanged cross,four (4) way block piece size:1-13/16 to 41/16 inch ... pressure:2M-20M psi API pass fty wellhead studded cross,flanged cross,four (4) way block,four-way pieceNB:1-13/16 ,2-1/16,2 ... service3. prompt and safe deliverycustomers' special design welcome wellhead studded cross,flanged cross,four (4) way block,four-way piece