Description The 6219 Series Insert Router Bit comes in a range of sizes (16-24mm Diameter) and may be used with a replaceable shank system which is available in various metric and inch dimensional sizes: One straight, 4-sided insert knife and one reversible insert tip for plunge cutting Great for rebating and grooving producing a clean surface finish Produces a clean finish on laminate, hardwood and coated surfaces Reduce your tooling inventory and tooling cost substantially while improving efficiencies with a tool that offers a constant cutting diameter, economical inserts, rigid tool body construction and excellent finish results!