ProDec ICE FUSION Paint Brushes Features - Unique shard filaments for uiltra smooth loading and release - Form recovery technology gives an ultra sharp cutting line and maintains the brush's shape after washing - Seamless ferrule so no paint or wash water collects inside the brush - FSC wood handle Choosing the right paint brush Remember to select your brush size based on the task. Here's a quick guide to how professional decorators most often choose: 1" (25mm) for small jobs and touch-up work 1.5" (38mm) for architrave, skirting, panels, window frames and furniture 2" (50mm) for cutting in edges on walls and ceilings, doors, cabinets and railings.