Karmihylsy FIXX

Zinc. The sleeve is screwed into a 14 mm pre‑drilled hole from the outside of the frame. If necessary, the sleeve can be countersunk into the frame. Position the frame in the opening and screw the sleeves out toward the substrate. Adjust the frame with an adjustment key so that it is level and plumb. Ensure that at least 15 mm of the sleeve’s length is anchored in the frame. Anchor the sleeve with a screw suitable for the substrate. Cover the holes with caps.