Uncategorized Where to get -1.5mm belt for 660? April 13, 2016 dstech I keep seeing people putting -1.5mm belt in their signiture and with my coop45 mod 3 and purple secondary spring my belt sits too high in my secondary. I can’t find these belts anywhere. Share this:Click to share on Twitter (Opens in new window)Click to share on Facebook (Opens in new window) Related