Richard 80764 Oval Angled Paint Brush with Long Sash Wood Handle, 3" - Amazon.com
3 in. Angle Paint Brush, BETTER Quality
Purdy 144080730 Pro-Extra Dale Angled Nylon Polyester Chinex Blend Sash And Trim Brush 3 Inch: Synthetic Sash and Trim Angled For All Paints (716341045128-1)
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