The old FCS .
They use a LOT of resin , I learned to 2 stage those , but Lokbox , Future , Pro Box and I assume the Fusion system , are tight fit and do n't use much resin .
The old FCS , because they use a LOT of resin , I learned to 2 stage those , but Lokbox , Future , Pro Box and I assume the Fusion system , are tight fit and do n't use much resin .