RB Rebar Positioners Catalog Masonry Products Masonry Reinforcement RB Rebar Positioners Description Download MSDS Stainless Steel Finish Hot Dip Finish Galvanized Finish Wire Diameter: 9 Gauge (.148" or W1.7) Positions rebars in center of block.Simple Z-shape wire bridges cell of block while bends rest on shell.Available for 6", 8" or 12" block.Available Mill Galvanized or Hot Dip Galvanized 9 gauge wire. #RB Rebar Positioners Spec Sheet Rates Please contact us for current pricing and availability. Request Availability