The Wolfride Router Bit Bearing Set is a 10-piece set designed to enhance the functionality of your flush trim router bit. Each bearing has an interior diameter of 3/16' and an outer diameter of 1/2', making them ideal for creating various depths and widths of grooves in wooden boards. This set includes bearings, set screws, and hex key wrenches, providing you with all the necessary components for your router bit repair needs. Made of high-quality carbide steel, these bearings ensure a longer service life, and we recommend wearing gloves for safer handling. With this set, you can easily customize your woodworking projects and achieve professional results.