Roller Lock The RollerLock system is a patented design engineered to reduce roller refill slippage and improve contact on surfaces. Home > Catalogue > Rollers > Roller Lock FIND THE RIGHT ROLLER Surface Type Very Smooth Surface (3mm Nap)Smooth Surface (5mm Nap)Semi-Smooth Surface (10mm Nap)Semi-Smooth Surface (12mm Nap) Semi-Smooth Surface (13mm Nap)Semi-Rough Surface (15mm Nap)Semi-Rough Surface (18mm Nap)Rough Surface (20mm Nap)Very Rough Surface (25mm Nap)Exra Rough Surface (30mm Nap) Roller Cover Material Woven FabricWoven Lint FreeMicrofibrePolyamide FabricKnitted FabricSimulated MohairFoamStuccoFlocked FoamNylon Texture SHOW ROLLERS Pro Cage Frame Wood & Plastic handle