Trend IT/7220307 Adjustable Groove Cutter With Scorer 4-15.5mm4-15.5 mmHard wearing steel tool body complete with disposable tungsten carbide knives and scorers for improved finish. Suitable for producing various thickness grooves and slots in softwood, hardwood and man-made boards (with or without coating) on a spindle moulder. Cutting width can be adjusted in 0.1mm steps by using supplied spacer rings.Specification-D=150 mmBore=1 1/4 inchesKerf=4-15.5 mmNo. of Teeth=2+4+4Max projection depth=45 mmRecommended speed=5500-8500 rpm