Trend Professional Slotting & Grooving Cutters Undercut Cutter - 19.1mm Diameter x 3.2mm Cut Ref: 30/2X1/4TC Key Features: To produce an undercut on relief lettering to create a more aesthetic appearance, as well as for edge grooving Specification: D: 3/4 inch (imperial diameter) D: 19.1 mm (metric diameter) C: 1/8 inch (imperial cut length) C: 3.2 mm (metric cut length) B: 12.7 mm (metric bearing diameter) E: 3.2 mm OL: 53 mm (overall length) Shank Diameter: 1/4 inch