CMT 800.624.11 3-PIECE ADJUSTABLE SHAKER ROUTER BIT SET, 1/2-INCH SHANKExcellent 3 piece bit set for producing adjustable tongue and groove joints with a bevel, in order to eliminate the panel rattle that may come up with the production of standards cabinets. Cut precise grooves into your plywood veneered panels and make perfect rattle free fits. To be used on table mounted routers. Avoid using these bits in hand held routers. 2 Carbide tipped cutting edges for long lasting performance, anti kickback design to allow you