It is Work Tools’ mission to manufacture high quality precision painting tools and accessories that are designed to cut work time and produce beautiful results more effectively. Our range will cover the complete job. Professional and do-it-yourselves alike will find the ideal tool and accessories for every coating and substrate. MICROLON™ is new fabric technology that can only be found on WHIZZ rollers MICROLON™ is engineered for today's premium paints and paint plus primers MICROLON™ rollers work great with all primers and are a great choice when using flat, eggshell and satin sheens MICROLON™ rollers paint fast, provide a smooth, even finish, and resist shedding MICROLON™ 3/8 inch nap is a great choice for interior walls and ceilings MICROLON™ rollers are manufactured in the USA Works great for edging around doors Roller will fit standard 4 inch mini roller frames Series Name: MICROLON Ceilings and Walls Length (Inches): 4 Nap Height: 3/8-in Width (Inches): 4.0 Beveled Ends: Yes Ergonomic Handle: No Fabric Type: Woven For Use on Brick: No For Use on Concrete/Masonry: No For Use on Decks and Fences: No For Use on Doors and Cabinets: No For Use on Smooth Surfaces: Yes For Use on Stucco: No For Use on Textured Surfaces: No For Use on Walls and Ceilings: Yes For Use with Chalky Paint: No For Use with Epoxy: No For Use with Latex Paints: Yes For Use with Oil-Based Lacquers: No For Use with Oil-Based Paints: No For Use with Oil-Based Shellacs: No For Use with Oil-Based Stains: No For Use with Oil-Based Urethanes: No For Use with Oil-Based Varnishes: No For Use with Water-Based Stains: Yes For Use with Waterproofing: Yes Frame Included: No Package Quantity: 2 Quick Connect: No Roller Material: Synthetic blend Shed Resistant: Yes Warranty: None Compatible with Extension Pole: No CA Residents: Prop 65 Warning(s): No UNSPSC: 31211900