Newcastle Home Timber and Hardware carries a range of steel reinforcing.

Mesh2go - Available in convenient 4m x 2m sheets, perfect for tradies and home DIYers.
Deformed Bar - Available in a range of sizes/lengths
Bar Chairs - Used to elevate the reo and keep it stable while the concrete dries
Mesh Cages - (Available upon special order)

Steel reinforcing is a vital component when concreting, even though the steel reinforcing is buried in the concrete it provides strength and stability in your concrete job.