Valspar's knit roller covers provide better results with less effort for all painting projects. Constructed for a quicker finish For use with all paints and primers Use on smooth or lightly textured surfaces Refill 2-pack for 4-in trim roller Series Name: Walls and Ceilings Core Diameter (Inches): 1.5 Nap Height: 3/8-in Width (Inches): 4 Beveled Ends: Yes Core Material: Plastic Fabric Construction Type: Knit For Use on Brick: Yes For Use on Concrete/Masonry: Yes For Use on Decks and Fences: No For Use on Doors and Cabinets: Yes For Use on Smooth Surfaces: Yes For Use on Stucco: Yes For Use on Textured Surfaces: Yes For Use on Walls and Ceilings: Yes For Use with Chalky Paint: Yes For Use with Epoxy: No For Use with Latex Paints: Yes For Use with Oil-Based Lacquers: No For Use with Oil-Based Paints: Yes For Use with Oil-Based Shellacs: No For Use with Oil-Based Stains: Yes 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 Lowe's Exclusive: Yes Package Quantity: 2 Roller Material: Polyester Roller Type: Mini Shed Resistant: No Solvent Resistant: Yes Warranty: None CA Residents: Prop 65 Warning(s): No UNSPSC: 31211900