Fujikura announced the world’s highest fiber density cable — a 6,912F Wrapping Tube Cable (WTC).

In addition, Fujikura says the existing mass fusion splicer, jacket stripper and cleaver can be used for splicing with 200 μm SWR and 250 μm SWR.
http://www.fujikura.co.jp/eng/newsrelease/products/2058047_11777.html