Fluting Tool Set (U-shape)Fluting Tool Set (U Shape) with 3 Interchangeable Blade Sizes Xiem Fluting Tool Set is a quick and easy way to make the concave surface textures for both functional and non functional ceramics. It has three interchangeable blade sizes (S, M, L) to give artists the flexibility and freedom to create their work without the size limitation. The titanium bonded blades offer a superior cutting edge retention and rust resistant while the angled blade design