Trend Professional Chamfer and V Groove 11/1X1/4TC - Chamfer V Groove Cutter 30 Degrees 21.5mm Diameter x 6mm Cut x 1/4" Shank Key Features: Use for bevelling, chamfering and for producing mortar grooves Approx. 1.0mm flat will be found on nose Ref. 11/3 is ideal for imitating 'V' jointed tongue and groove on man-made board Specification: D: 21.5 mm (metric diameter) C: 6 mm (metric cut length) C2: 12 mm A: 30 degrees (angle) OL: 43 mm (overall length) Shank Diameter: 1/4 inch Grade: TCT (Tungsten Carbide Tipped)