Easement GrooverThe Eased Edge Groover cuts a 1 4" by 1 2" deep groove. This Eased Edge Groover works best when ordered with the original cabinet door set. On all number 10 series pattern sets it will cut a 1 4" by 1 2" deep groove Always stagger cutter when stacking. Never stack wing to wing or you will bend this groover. 1 1 4" Bore 4 1 2" Diameter Carbide tipped Cutter is number 2 on the drawing of image 3.