6-Inch Long Carbide Rotary Burr Set 6 mm (0.25 inch) Shank Long Reach Double Cut Tungsten Carbide Rotary File Set Fits Rotary Tool for Woodworking Drilling Carving Engraving, 4pcs

["4Pcs long carbide burr set 1/4\" shank total length 6.22\", head dia 8mm and 10mm, 1 slotted plastic box with hanger","Bent Risk! The tungsten carbide burr bits must remain in contact with the workpiece as long as the tool is running or turning on or turning off moment. Failure to observe this procedure may result in burr shank bending and an increased injuries risk. If the continuous contact between the bits and the workpiece is not guaranteed, the max idling speeds should not be exceeded","Perfect for tight and hard-to-reach areas than grinding discs grind wheel. Double cut produces a finer finish than single cut and reduces the size of the chips","Long shank carbide burrs bits perfect for deburring smoothing grinding porting cast iron steel aluminum cylinder head engine intake exhaust manifold","Very sharp, aggressive, tough, well-balanced and durable"]