Round preshaped meshes (5 cm diameter), with eccentric hole. They are indicated for the treatment of male inguinal hernias with open technique. The Plug T®4 mesh, placed under the transversalis fascia, is combined with the Hertra® preshaped mesh, which is placed over the fascia. The Plug T®4 flat plug, is available in both semi-rigid and quadriaxial knitted versions.