Features: Wool wheel brushes give polished finish on metal surface with suitable polishing material for the metal. Excellent for jewellery and similar work as they can reach and polish difficult to reach areas. Use soft wool for precious metals (gold, silver, etc). Leave glossy finish on metals. Precision ground for quick, easy sharpening of chain saw blades. Widely used in precision polishing technology and burring, seam edge grinding process, and the grinding force is 5 to 10 times higher than general grinding tool. Specifications: .