Black PVC Coated Wire

Black tension wire: Galvanized wire inside and then pvc coated to Black, inner wire dia is 3mm and it becomes to 4mm after coated.

Black tie wire: Galvanized wire inside and then pvc coated to Black, inner wire dia is 1mm and it becomes to 1.6mm after coated. Normally comes in 50m per roll, it's also called handy tie wire.