looks pretty dirty to me (friggin operators never look after there machines   I'll even bet they never changed the rubber  (O) rings)

if I was you Rob I'd wait for one NIB

You could have a point there Greg, you know the strife I get into fixing my pins.....did I mention I used to work on the space program a few years ago cleaning these tile thingys. Thought I'd borrow some for my bbq as hot rocks but the rest is history now!!!