Single-use packer intended for use with low pressure for both pre- and post-injection. Compressible mechanical packer used for sealing boreholes at the face, in pre-cuts/construction pits and similar applications. The packer (rubber) expands when the locking washers are pressed against the packer end piece. The packer must not be exposed to direct sunlight or temperatures above 50°C.

Recommended tightening torque to be applied to the tightening nut is 80–100 Nm to ensure proper anchorage in the borehole and to prevent injection leakage between the borehole wall and the packer.