A toffee hammer, wtf is a toffee hammer ? I'm on about a lump hammer. 3 good whacks will have all the paint off.Correct, thus making space to ease the nut back giving access to the olive, gentle tapping olive with toffee hammer whilst supporting with metal block. Remove old olive's and nuts, clean up pipe with emery paper, replace with new isolation valve, which will take more than ten minutes(TMT is just being a ratefixer putting a price on the job).
To understand the Captain's picture, you need to watch BBC Ghost's.