Overall lenght is 207ft the GB5RV antenna for 160-10m+60m is constructed with 3mm PVC coated steel wire it consists of a Flat top plus a section of 450 oHm ladder line.
You can order all the parts if you need to change it.
Ladderline 450 OHm:20m(65,5ft)
Wire:Steel 3mm with pvc coated
Warranty: 1 Year
Also in stainless steel wire call for pricing.