TOPEX 125mm Zirconia Flap Disc, being precision manufactured to meet strict trade requirements. is ideal for general purpose applications such as weld removal, grinding and cleanup of steel, stainless steel and aluminium. Great for removing paint and varnish. Our flap wheels use a premium grade cubic zirconia which increases productivity by rapidly removing excess material compared to others on the market who use a lower grade brown aluminium oxide which perishes quicker and wears unevenly. Our high density, high quality blue cubic zirconia flap wheels ensure a long life as well as a fast and stable performance.