Martin is sound and if you order on a weekend and pay via paypal, the stuff normally turns up by Wednesday - he's also good for sensors
Rebreathers are like women; they pretend to love you, whilst taking all your money and trying to kill you.
Loads of online tool sellers sell the spanners. Sometimes called pin or peg spanners. I think narkedat90 might sell them too. Worth getting two as sometimes the rings on the first stage can get locked together if you aren't careful.
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Caliph Hamish Aw-Michty Ay-Ya-Bastard, Spiritual leader of Scottish State in England