... :4''-12'' 3.material:black annealed,galvanized or PVC coated wire loop tie wire(black annealed ,galvanized ,alu ,copper)/Rebar tie/Tie ... with 15 years warranty 1.Material: black annealed wire, galvanized wire, PVC coated wire, copper wire.2.Wire diam.: 0.5mm---2.0mm3.Length: 3 ... .Use: there have two loops in both end of the wire, easy to carry in the construction, used in the daily life.