DH-211 Retrievable Mechanical Packer  Application  Apply for zonal injection,Website:http://www.dhpetrotools.com, extraction, leak finding, squeeze, acid treatment and well testing. It should be equipped with the hydraulic anchor if the differential pressure is higher.  Features  • Can be set in different steel grade casing stable and reliably.  • The sealing mechanism is consist of two kinds of hardness elements.  • Mechanical set, easy operate.  ParameterCasing (in)OD. (in)ID. (in)Length (in)Temp. (℉)Pressure (psi)Thread (in)4-1/23.701.8557.80250-3005000-100002-3/8 NU54.101.8962.87250-3005000-100002-7/8 NU5-1/24.492.1766.18250-3005000-100002-7/8 NU5-3/44.722.2866.46250-3005000-100002-7/8 EU65.322.4467.05250-3005000-100002-7/8 EU6-5/85.512.4467.68250-3005000-100002-7/8 EU6-5/85.672.4468.19250-3005000-100003-1/2 NU75.832.4468.94250-3005000-100003-1/2 EU75.992.9969.80250-3005000-100003-1/2 EU7-5/86.502.9970.55250-3005000-100003-1/2 EU8-5/87.283.4771.69250-3005000-100004TBG9-5/88.273.6272.95250-3005000-100004 EU9-5/88.473.9474.49250-3005000-100004-1/2 EU