Xiem Mini Ribbon Sculpting Tool D Set of 9 Heat Treated Blades are excellent for sculpting, carving, trimming, texturing, and detailing a variety of materials, such as water-based clay, wax, and polymer clay. The sculpting ribbon blades are made of fine-tempered steel for maximum strength. The handles are made of aluminum and soft neon rubber for maximum comfort, and they’re also easy to find.