Weiler - 3/8″ Wide Horsehair Acid Brush - 82071721 - MSC Industrial Supply

HDX Acid Brushes (3-Piece) 80-721-111 - The Home Depot

Weiler - 3/4″ Long Horsehair Acid Brush - 82071713 - MSC

1/2 in. Horsehair Bristle Acid Shop Brushes, 36 Piece

8 Counter Duster, Horsehair Fill, Fine Brushing - 44003

Ideal for fine, easy sweeps between school bus seats Ideal for scratch-free sweeping on smooth surface textures, like delicate wood and tiles

Weiler 70312 10 Bus Brush, Flagged Silver Grey Polystyrene Fill (Pack of 12)

Acid Brushes (General-Purpose, Flux, Craft), 3/8

Acid Brushes - 144 Count 3/8 Inch Horsehair Acid Flux

Acid Brushes - MSC Industrial Supply

1/2 in. Horsehair Bristle Acid Shop Brushes, 36 Piece