Redtree Disposable Chip Bristle Brush The Redtree disposable chip bristle brush is an affordable marine brush for use when applying epoxy and resin. Features Square Trim Sanded Wood Handle White Bristle Stock Disposable Specifications Size 12 Length 1-58, Thickness 14 Size 1 Length 1-34, Thickness 516 Size 1-12 Length 1-34, Thickness 516 Size 2 Length 1-34, Thickness 516 Size 2-12 Length 1-34, Thickness 38 Size 3 Length 1-34, Thickness 38 Size 4 Length 2, Thickness 38 Size 4 Double Thick Length