The Whiteside Router Bits RU5150 Standard Spiral Bit with Up Cut Solid Carbide is a high-quality router bit designed by Whiteside Machine Company. This specific bit has a diameter of 1/2 inch, with a 1-1/2" cut, and is made of solid carbide material, making it suitable for cutting applications. With its up cut spiral design, this router bit is efficient and reliable for various woodworking projects, providing accurate and clean cuts. Perfect for professionals and DIY enthusiasts alike, this Whiteside router bit is a valuable addition to any workshop.