Description The Klingspor SMT 324 zirconia flap discs have been designed for universal edges and surface work and is used on many materials such as steel and stainless steel. The disc is made up of a high-quality glass fibre backing plate that is extremely durable. The disc is extremely effective with low power angle grinders. The abrasive stands out with its excellent removal rate and is held in equally high regard by professional users and do-it-yourselfers. Anyone attaching prime importance to finishing their work swiftly and with excellent results will benefit during their daily routine from the exceptional qualities of the SMT 324 Extra. This abrasive mop disc is convex shape. This shape allows for high aggression due to the small contact area. It is, therefore, ideal for work on edges and for grinding weld seams. Superior abrasive performance thanks to zirconia alumina The grain chosen for this product is tried-and-tested zirconia alumina. The disc is made up of a high-quality glass fibre backing plate that is extremely durable. The disc is extremely effective with low power angle grinders. The disc will not glaze even if used at a low grinding pressure. The result is significantly improved handling combined with outstanding results and surface finishes of exquisite quality. The SMT 324 Extra is available in a variety of grit sizes and diameters. The permissible speeds vary depending on diameter used. Abrasive mop disc with an ideal price-performance ratio The abrasive mop disc SMT 324 is a member of the Extra product family. The abrasive mop discs Klingspor offers in this product line combine suitability for universal use with a high level of aggressiveness and long service life at the best possible price-performance ratio. This universal product produces its best results on various materials including steel. The abrasives grouped in the Extra product line are the natural choice for anyone who wishes to enjoy a high removal rate without having to pay a premium price. In addition to convex mop discs, such as the product presented here, Klingspor also offers mop discs in a flat design for surface grinding.