178mm (7") non-woven discs with fibre glass backing for use with portable grinders are excellent for removal of rust, undercoating, seam sealers and stone guards. Able to reach areas such as wheel wells and under carriage, boot beds and door jambs. Use to remove oxidation from tyre rims and to remove rust from brake assemblies. Strong reinforced backing. No backing-pad required. Other Applications: - Pharmaceutical Industry . Removing weld blueing and oxide on stainless steel vessels. - Cast Iron. Removing of old gasket material on cylinder heads of diesel engines. - Automotive. Removing of stone chip coating, paint and rust. - Stainless Steel Fabricators. Weld blending/ Removing imperfections/Blending spot welds. Grain finishing on sheets. Price per disc.