Stinger Classic - Professional Angle Paint Brush with Fill-A-Blend Technology - Trim Paint Brushes for Painting Walls, Cutting in, and Edges - Angled Sash Brush (1, 3 Inch - Stinger Classic) - Amazon.com
Linzer 2140-3 Project Select 3 Inch Natural Polyester One Coat Paint & Stain Angled Sash Brush: Synthetic Sash and Trim Angled For All Paints (077089214055-1)