Wanted: Ultegra 6800 crank arms, 172.5mm, no rings needed

partly...but mainly as I'm being overly precious, as the 1x set-up will be SRAM GX (with a Pauls shifter adapter), and wanting to avoid obvious SRAM-ANO set-up....the 'new' cranks are an incredibly well scuffed up set of M8000s off fleabay....so will be no Shimano confusion on show once they're on!