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Knudsen Fix Shims 1-2-3-4-5-10-12x45x75 mm

  • Fix Shim, blue 1 mm

  • Fix Shim, black 2 mm

  • Fix Shim, red 3 mm

  • Fix Shim, white 4 mm

  • Fix Shim, yellow 5 mm

  • Fix Shim, brown 10 mm

  • Fix Shim, orange 12 mm

About Knudsen Fix Shim

EPD Verified
80% range in recycled raw material
75 års minimum levetid
Danish design & quality
Danish produced since 1977

Knudsen Fix Shim – effective spacer for leveling on vertical surfaces

  • Quick and easy assembly on vertical surfaces
  • Isn’t affected by damp, rot, or dry rot
  • Documented lifespan of at least 75 years
  • No toxic smoke in case of fire

Knudsen Fix Shim is a spacer shim suitable for all types of tasks where objects need to be stabilized, such as door and window installation, mounting of kitchen and bathroom elements, moldings, panels, etc.

The spacer shim is particularly well-suited for installation on vertical surfaces, as it is designed as a split shim with fins in the middle, ensuring a stable grip on the screw during any installation.

The different color-coded thicknesses make it easy and quick to perform precise installation work.

Knudsen Fix Shim is made of high-quality plastic that is frost-resistant, UV-resistant, and unaffected by moisture and water.

EPD Verified
80% range in recycled raw material
75 års minimum levetid
Danish design & quality
Danish produced since 1977