Upgrade your router bit collection with the Yakamoz 7PCS Multi-Rabbet Top Mounted Bearings Replacement Kit. This comprehensive set features top-mounted ball bearings, designed to withstand high speeds up to 22,000 RPMs, ensuring smooth and precise routing. The kit includes a variety of sizes, with inner diameters of 3/16" and overall diameters ranging from 3/8" to 1-1/8", allowing for a wide range of rabbeting depths. Each bearing is lubricated with a high-temperature lubricant for optimal performance. The kit also includes set screws and hex key wrenches for easy installation and repair of damaged or lost router bit bearings. Transform your regular bits into top-bearing pattern or lettering bits, or adjust the depth of your rabbeting bits with this versatile and durable kit.