Adjustment key for level fr. screw

Simplifies leveling when mounting and adjusting windows and doors. Replaces wedges and bearing pads, which provides more space for insulation and thus reduces the risk of cold bridges. The adjustment range is 5 - 35 mm. The screw has markings on the neck 10, 15 and 20 mm from the top. Use magnetic holder when mounting and adjustment key when window / door is in place and being leveled in with a spirit level.