Festool 492574 OF 1400 Router Small Bore Base is an essential accessory designed specifically for use with small diameter edge-forming bits. This base enhances stability when working on outside corners by extending the base inward near the bit, which allows for faster and easier corner routing. It enables more precise corner routing while minimizing the risk of the base opening catching on the corner. With additional support and stability, especially when using small diameter bits, this router base helps you achieve professional-quality results with ease. Model Number: 492574