The Inka IDKLAP wedge anchor in the range of M8, M10, M12, M16, M20 and M24 is an anchor made of galvanised steel. The Inka IDKLAPG wedge anchor in the range of M8, M10, M12, M16 and M20 is an anchor made of sherardized steel. The Inka IDKLAPX wedge anchor in the range of M8, M10, M12, M16 and M20 is an anchor made of galvanized steel. The anchor is installed into a predrilled cylindrical hole and anchored by torque-controlled expansion. The anchorage is characterized by friction between expansion clip and concrete.