I was not involved with this particular project however the Appliance pulls within this series are only available in 12" or 18" C/C spacings. Judging by the photo, I am assuming those are the 18" C/C handles on the fridge panels.
More Info here:
http://www.martellhardware.com/hardware-by-manufacturer/rk-international/design-series/cylinder/polished-nickel.aspx
An additional example of the 18" C/C handles installed:
https://blog.martellhardware.com/2014/05/01/kitchen-renovation-featuring-cylinder-series-solid-brass-hardware-from-rk-international-ossining-ny/
Hope this helps!
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Polished nickel to go with PN nickel
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