Features: *Brand new and unused. *Made of high-quality materials. *Easy to install and use. *9 sizes are available：4.76/9.52；4.76/12.7；4.76/15.8；4.76/19.05；4.76/22.2；4.76/25.4；4.76/28.6；6.35/12.7；12.7/19.05 Create a different depths or widths groove in the board. *Suitable for milling cutter. Specifications: *Product name: Router Bit Bearing *Color: Silver *Material: steel *Size: as shown *Quantity: 1pc Package Content: 1* Bearing Note: 1.Transition: 1cm=10mm=0.39inch. 2. The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness. 3. Please allow slight manual measurement deviation for the data High quality assurance: Each product undergoes strict quality testing to ensure that you can provide the best quality experience. User-friendly design: The product features and appearance are carefully designed, easy to operate, and suitable for various usage scenarios. Multifunctional practicality: It has a variety of practical functions to meet your diverse needs and improve the quality of life. Environmentally friendly materials: Made of environmentally friendly and safe materials, harmless to the human body, while paying attention to environmental protection. Excellent cost performance: Provide excellent quality at a reasonable price to ensure a shopping experience that is worth the money.