20m, 2 pitches.
"Note the hole about 40 feet up the stack.
1. 40 feet. Go up the south west arete to a shoulder where the hole is to be found. Thread belay.
2. 20 feet. Go up the arete to the top."
from Chris Mellor's http://www.ukclimbing.com/articles/pdf/England.pdf
J. Fowler 1974
Ticklists: Sub Extreme South West Sea Stacks.