This Hobby Essentials set includes five #25 curved carving blades for use with compatible hobby knife handles. The curved blade profile is well suited to carving, trimming, and detail work on plastic model kits and other hobby projects. The metal blades are stored in an included plastic case to keep them organized and protect the edges between uses. Features: Set of 5 replacement blades Curved #25 blade profile Includes storage case Compatible with standard hobby knife handles 7/7/26 cs