Deck Jacks & Joists | Deck Jack Spacer Extender 60mm
Made from black polypropylene, this 60mm height extender screws in between the deck jack base and joist support bracket, adding up to 120mm in height when 2 are used. It's threaded at both ends for easy integration, and suits all deck jacks except the DJ-20 and DJ-24.
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A height-adjustable pedestal system for fast, simple deck leveling
Deck Jacks and Aluminium Joists in the wild.
