Built for demanding paint jobs in hot, humid conditions where ordinary brushes go soft. The Stiffy's PBT/Polyester blended filament maintains its stiffness and spring even in extreme heat and humidity, delivering a smooth, consistent finish when it matters most.

• PBT/Polyester blended filament - angled cut for precision edging and cutting in
• Maintains stiffness in high heat and humidity where nylon bristles go limp
• Hand chiseled, acid-flagged tips for smooth paint release and reduced brush marks
• Reinforced stainless steel ferrule with ring shanked nails for secure attachment
• Filament fully epoxy bound to prevent bristle loss
• Solid wooden plugs with birch wood handle for comfort and durability
• Compatible with all oil-based and water-based paints and coatings
• Bristle thickness: 17.5mm