Maintenance hardwood block wire scratch brush Stainless steel bristles This ensures that all wire tufts are precision-located on the block to ensure uniform and consistent brushing performance, and long service life Premium hardwood scratch brush blocks are kiln-dried to keep wire tufts firmly in place, and hand-selected to ensure straightness and quality Shoe handle scratch brushes provide good leverage, allowing a more powerful brush stroke than can be achieved with a curved handle brush