The Eyecandy Creative Filterstage is a filter kit aimed at creatives that want to adapt effect filters to their specific needs.  The 2-Stage frame comes with 2 x 2mm Optical Flat 4x5.65" Filters and 10 different colours of Wave Fabric; you simply put the fabric between the clear filters.  The tray comes with 8 Torx screws to secure your custom filter which needs to be used in a 2 stage+ Mattebox.  Made from aluminium, it has a 3/8" Threadhole on its handle.