Tools of the Trade: The Perfect Roller Nap for your paint - Happily Ever After, Etc.
10 Packs Paint Roller Refill Covers 4 Inch 1/2 Inch Nap Woven Micro-Fiber Paint Roller, Small Roller Brushes Replacement Set Home Paint Tool Kit for Home Improvement : Amazon.co.uk: DIY & Tools
PURDY Colossus Paint Roller Sleeve 450mm x 38mm (18" x 1½") (1/2" - 3/4" Nap )
Wooster Brush RR669-9 Pro Doo Z FTP Roller Cover 1/2-Inch Nap, 9 Inch (3-Pack) : Amazon.co.uk: DIY & Tools