Precision quality needle files as used in the British aerospace Industry and as supplied to the like of Rolls Royce.|Fine 600 grit (25 micron)|Guaranteed for five years when used with Trend Lapping Fluid.|Suitable for carving tools, model engineering, small tools and removing welds. Use to file metals and plastics. Also widely used in Jewellery making industry.|Pack comprises of 4 needle files, Tapered / round, tapered half flat / round, flat , triangular / tapered.