The straight abutments has a conical top with an external hexagon, that allows the tighten it by mean of a multi use driver (manual or ratchet connection).
Angled Abutments: 17* Degree and 30* Degree helps to achieve parallelism for non parallel implants placed. These abutments are connected through a Multi Unit holder while placed on the implants and fixed with prosthetic screw.
Torque for Multi unit abutments are 15 Ncm.