Most put-ups in cable are 100ft or 30m Min, if you have an electronic outlet like Future Electronics near you they sell by the ft.
There is OA foil shield, invidual pair foil shield and O.A. Braid shield in increasing order of cost.
Look at Amp CPC line of connectors for both bulkhead and in-line type. They resemble Military style but are alot cheaper due to non metalic.