Festool 490092 HW R2-OFK 500 Roundover BitFunctions This round over router bit is designed for clean, precise edge profiling on both plastic edge banding and solid wood. It delivers smooth, consistent results for a refined edge finish on small and detailed workpieces. Its hollow, direct thread design mounts straight onto the trim router shaftno collet requiredfor stable, wobble free cutting and excellent run out accuracy. The result is a smooth, uniform round over and a clean routing pattern