1. Paint Mixing Cup ,Spray gun PPS Type H/O Quick Cup, Mixing Cups and Collars (hard cup+inner cup+lids) set 600ml This product is intended for use in place of metal cups on most gravity cup guns. Setting up the gravity cup vs. standard PPS is connecting the gravity hose from the cup port , or spray gun regulator. This kit includes 1 hard cup in mini size and 1 inner cup with lids, 2. Spray gun connector PPS spray gun cup adapter joints pps spraygun adapter Thread size : M16 Will fit different spray guns PPS adapter converts typical spray guns into ones that work with the Paint Preparation System Specifically designed adapters, allows painters to use the PPS with virtually any spray gun Threaded adapter is easy to install Nice and clean condition