Complete Garden Decking Kits - 120mm x 28mm Pressure-Treated Green Decking Boards, Graded Timber Joists (95mm x 47mm) with enough for Noggins, and all the necessary screws (60mm and 100mm) Perfect for creating a sturdy decking area, with 400mm centres on the bearers for added durability. Available in various sizes and additional materials can be added upon request.