ZEM Brush Chungking Deluxe White Hog Bristle Interlocked Round Artist Brush Set Sizes 2,4,6,8 Brush Head- Interlocked Pro Quality White Bristle Chungking Round Handle- Silver + Red 140mm Standard Short Handle Use- Oil and Acrylic for Art Use- Best Drybrush for Ceramics Interlocked Bristle- This Premium Bristle has Firm Spring for Best Control During Painting. Built in USA - These are strong stiff hog bristle brushes