The Max 16 Gauge Annealed Steel Rebar Tie Wire Roll (50/Pack) (TW1525) is made of annealed steel, which gives it a high ductility. Designed for use with the MAX Rebar Tiers RB650, RB650A and RB655, this Tie Wire is great for general construction projects that require a minimal amount of corrosion resistance. Each coil delivers 120-230 ties and is ideal for use on foundations, roads, bridges, swimming pools, retaining walls, tilt-ups, and electrical conduits.