Utrecht Synthetic Varnish Brush - Size 2

Time to refresh your brush collection? - Blick Art Materials

Small, Medium, Wangi Medium, & Large Diameter Synthetic Sable Brush Set with 2 Inch Long Bristles - Lebenzon Paintbrushes

Escoda Clasico Chungking White Bristle – Jerrys Artist Outlet

Specialty Paintbrushes

Art Paint Brush Holder

Utrecht Synthetic Sablette Brushes

How do you know if you're getting real sable hair? : r/minipainting

Brushes Utrecht Art Supplies

Utrecht Gloss Oil Varnish - 4 oz bottle

Winsor & Newton : Cotman Brush : Series 777 : One Stroke Clear : 1in