Andy's description is correct.
Good luck on the route. I belayed Tom on the second ascent (Pete did 1st) and given this was a week before he was due to go to the states to try Century Crack (ie. quite crack fit!), how skin-of-the-teeth his ascent was, and how dismally I failed to second it (in my defense I literally couldn't jam at the time due to DC in both hands (now sorted)), I would say it is a bit of a sandy sandbag at E5!