10 to 11 mm static rope
Rapelling or abseiling
rope is 1.5mm thick
There is no actual answer to this question but 200 feet is the average for spelunking or rock climbing or rapelling, so the decision for the length is yours and yours only.
cable
Cable
Halyard!
A rope, cable or sheet
A cable-laid rope is a very thick rope used for tasks such as towing, made by twisting together three ropes.
string
rope
yes there is it is called Thick String yes there is it is called Thick String
it's called a peice of string