Two Fussy Blokes 12" Semi Smooth Roller Sleeve Premium microfibre paint roller sleeve, designed to deliver smooth finish. Size: 305mm/ 12 inch NAP: 10 mm Core: 1.5”  Use on: Weatherboards, Brick Walls, Fences, Plaster Walls, Soffits, Rough Surfaces Paint: Water based This is the most versatile of our rollers, offering excellent paint pick-up, finish, and release. Able to be used with all water-based paints, the 10mm-nap 9 inch roller is commonly used to achieve a top-of-the-line finish on medium- to large-sized surfaces such as walls and ceilings.