Tim Holtz Water Brush - Detailer Brush Nib by Tim Holtz The Tim Holtz Water Brush is an essential tool for paper crafters. Available in two tip sizes, a detail tip or a wide brush tip, which can be used for a variety of creative painting techniques. Dab the water-filled brush with water-based inks, paints and Perfect Pearls Powders. The controlled water delivery system allows for optimal paint mixing and surface coverage. Use on stamped artwork to shade and highlight.