47 Brush Professional Collection. Grand Prix Filberts - four each sizes 2, 4, 6, 8,10 and 12 Silverstone Fan Blenders - two each sizes 2, 4 and 6. Renaissance Brights - two each sizes 2, 4 and 6. Renaissance Rounds - two each sizes 6, 8 and 10. Renaissance Cat’s Tongue - one each sizes 2, 4, 6, 8 and 10