1:Acrylic fabric paint roller; 2:single rod frame,iron handle,zinc ... Technic:sewing; 5:Size:7",9"; Product name:Acrylic fabric paint roller,iron handle.Size:7",9";Frame:single rod ... rod is 6mm;Roller:yellow acrylic fabric, height of fabric pile is 12mm or 18mm.density of fabric is 850g/m,900g/ ... sure the cage allows for easy roller coverreplacement. Step3 Check to be sure roller cover will stay in place ...