The BNC 11-piece router bit set in a box offers a variety of router bits and sanding sleeves for different applications. Included are six different router bits and five sanding sleeves. In addition, there is a cap carrier for use with sanding bands. The five included diamond grinders have a normal grain, while the five sanding belts have a medium-coarse grain. This set is versatile and comes in a practical box that allows for easy storage and organization.