6100B-4 Size: 4 Features: -Brush.-Material: Synthetic bristle.-Long handle white synthetic bristle brush featuring interlocked hairs.-Resilience and increased brush control.-Standard brush for every art store. Dimensions: -2" Dimensions: 12" H x 0.25" W x 0.25" D.-4" Dimensions: 12.25" H x 0.25" W x 0.25" D.-6" Dimensions: 12.25" H x 0.25" W x 0.25" D.-8" Dimensions: 13" H x 0.25" W x 0.25" D.-10" Dimensions: 13.25" H x 0.25" W x 0.25" D.-12" Dimensions: 13.5" H x 0.25" W x 0.25" D.