ANGULAR TONGUE AND GROOVE CUTTER SET FRB31-6 STANDARD SET CONSISTS OF: Arbor and nut AR11 Ball Bearing B5 Spacers 6.0mm (2 pcs.) WF618 Washer 1.0mm (1 pc.) WF608 Shims 0.5mm (2 pcs.) WF606 Shims 0.1mm (4 pcs.) WF604 Cutters 1-5/8"diam. 1/4" kerf x 2 Teeth (2 pcs.) FRB28G Angular Tongue and Groove Cutter Set This newly developed Tongue and Groove Cutter enables perfect results in stock up to 18mm (apx.3/4"). The groove is of 1/4" (6.35mm) in width and of 3/8" (9.5mm) in depth. When changing over from assembly (A) to assembly (B), according to the drawings on the right, the centre of the groove is automatically adjusted and there is no need to raise or lower the router. With the aid of the supplied shims, there is always the possibility to achieve the required tightness of the joint, even after resharpening groovers.