Sorry if this has already been posted. I think this is quite a good price.
This First Alert 4.3m escape ladder is ideal for living and sleeping areas on the first floor. The ladder comes fully assembled, ready to use and retracts for easy and compact storage. Additional features include slip-resistant rungs with steel stabilisers and wide sill hooks accommodates window sills between 15cm and 30cm. Ladder tested to carry weight of 510kg.