12 pieces Scratch Brush (Stainless Steel + Brass), Curved Handle Masonry brush Wire bristle for Cleaning Welding Slag and Rust 6 Pieces Stainless Steel Wire Brushes: wire brush handle length is 13 cm or 5.1 inches, the brush head length is approx 4 cm or 1.6 inches, and the brush head width is 1 cm or 0.4 inch 6 Pieces Brass Wire Brush: large size brush handle length is 13 cm or 5.1 inches, the brush head length is approx. 4 cm/ 1.6 inches, and the brush head width is 1 cm or 0.4 inch Durable Material: Stainless steel and Brass copper each 6 pieces, strong and durable, can clean rust and detail completely, Hang up hole for convenient storage Wide application: welding wire brushes are suitable for cleaning steel parts, machinery, the unfinished metal parts, paint stains, special corrosion without damaging surfaces or fine features Feature: Remove rust on the surface of metal easily. Ergonomic plastic handle for easy grip. hang-up hole for convenient storage Package included：12x/24x/36x Mini Wire Brushes