Solid bent hardwood block, excellent for spot cleaning small welds
PFERD 85055 Scratch Brush, Block Size: 7-1/2 Inch Length x 1/2 Inch Width, Brush Part Length: 1-1/2 Inch, Filament Material: Stainless Steel Wire, Trim Length: 1/2 Inch, Wire Rows: 3 x 7, Wood Block