4 pack of Stainless Steel Threaded Rods 120mm x 10mm with nuts and washers.
These are a great solution for fixing down bolt down/base plated stainless steel spigots or aluminium pool fence posts or PVC concealed base plates
Rods need to be glued into the concrete with a product like:
(1) Ramset - Ultra Fix Plus or
(2) Powers - Anchor AC100e or
(3) Sika AnchorFix-1 or
(4) Ramset - Chemset 101 Plus.
These products are usually all available from a hardware store like Stratco or Bunnings.