The Naniwa Rust Eraser (Gray) is a coarse abrasive block designed for effective removal of visible and aged surface rust from knives and carbon-steel tools. This flexible PVC-based block with aluminum oxide...

The Naniwa Rust Eraser (White) is a soft, flexible cleaning block with an aluminum oxide abrasive, designed for effective removal of surface rust, tarnish, and light corrosion from knives and carbon-steel tools. It’s...