Ultra sharp and a little over a quarter inch wide these carbon steel Excel Blades #17 Chisel Blades offer superior precision when shaping chiseling or removing light layers of material. Ideal for both crafters and professional artists the light-duty chisel tip is ideal for shaping balsa or basswood for models carving wax for casting beveling mat board and much much more. These blades also work well with foam core linoleum plastic cork clay and rubber and they are compatible with most standard hobby knife handles. - Excel Blades #17 Chisel Blades - Pkg of 5NO17 SM CHISEL 5PC -