USA Made - #3 Straight Rebar Stakes Heavy Duty Steel Ground Anchors 12 — onestopoutdoor.com
Grip-Rite #4 1/2 In. x 3 Ft. Steel Rebar - Parker's Building Supply
Cox Hardware and Lumber - Steel Rebar 3/8 In #3 (Lengths)
MAKO 3” Rebar Support Chair with Flat Base (Pack of 500) – Fits Bar Sizes 3-5 – Heavy Duty & Durable Plastic Concrete Rebar Stand Holder with Snap-in Mount (color may vary) - Amazon.com