These Hobby Essentials #12 curved carving blades are replacement cutting blades suited for detail work on plastic model kits, diorama scenery, and similar hobby projects. The #12 profile features a curved, pointed tip designed for controlled carving and trimming cuts. The set contains 5 metal blades and includes a plastic storage case to keep unused blades safely contained. Features: #12 curved carving blade profile 5 blades per set Includes plastic storage case Compatible with standard hobby knife handles accepting #12 blades 7/7/26 cs