Trend IT/1734100 Solid tungsten two flute spiral upcut 4mm diameter Two flute upcutSolid tungsten carbide router complete with two spiral flutes. Suitable for fine \'finishing\' cuts in softwood, hardwood and man-made boards (with or without). Dnamic (tm) carbide for maximum durability in abrasive materials. Upcut spiral for optimum chip flow and improved finish on the bottom of the board. For use on routers and machining centres with or without CNC control.Specification-D=4 mmCut lng.=12 mmOverall lng.=55 mmShank Diameter=4 mm