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Hidden fasteners · Spacers

Fastshifter Deck Board Spacer (4 mm / 7 mm)

Item no. 104567

Bright-yellow reusable spacer for consistent 4 mm / 7 mm gaps between decking boards.

Technical data

TypeDecking board spacer
Gap sizes4 / 5 / 6 / 7 mm
MaterialPolypropylene
ColourYellow
Recommended useAt least 2 spacers per board
Sold asBox of 12 pcs

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Product details

The Fastshifter Deck Board Spacer sets a uniform gap between decking boards without measuring. One tool covers 4, 5, 6 and 7 mm gaps — simply turn it to the size you need. Supplied in a box of 12, so several can be used along a board at once.

For the best result use at least two spacers per board while fixing; on long boards, three or four keeps the gap even from end to end.

Key features

  • Adjustable gap — one tool gives 4, 5, 6 and 7 mm settings.
  • Side hooks — the spacer pulls out easily even when pinched between fixed boards.
  • Edge notch — sets a consistent screw distance from the board edge.
  • Grooves on the edges — help centre the screw accurately every time.
  • Block design — keeps boards parallel and gaps visually clean.
  • Bright yellow, so it is not left buried under a finished board.
  • Box of 12 pcs.

Where it is used

  • Timber, thermally modified and composite decking.
  • Any board layout where drainage and expansion gaps must be consistent.
  • Screw-line setting out along the board edge.
  • Both professional installation and DIY projects.

Fastshifter specialists recommend Fastshifter spacers for precise, uniform and attractive gaps between decking boards — a detail that is immediately visible on a finished deck.