... 100m per roll A.About productPVC Helix Steel Wire Strengthen Tube Material: PVC Specification: 1/4inch~8inch Length: 10/ ... ,non-toxic,flexible,light SpecificationsPVC Helix Steel Wire Strengthen Tube 1.Main Material:PVC with steel wire reinforced 2 ... strip/rod/extrusion, silicone sponge tube,Silicone Fiberglass tubing,PVC tubing,heat shrink tubing,Teflon/PTFE tubing,convoluted/corrugated tubing, ...