Includes 3 pattern sizes: 0.5 mm, 1.0 mm, and 2.0 mm. There are 2 pieces of each size, plus 1 toolholder and accessories. Features - 3 sets of wheels in coarse, medium and fine grades with different patterns - Made from super hard material for greater durability and efficiency than ordinary knurling knives Use - Designed for embossing metal surfaces to create a beautiful texture Materials and performance - Super hard material provides longer life and cleaner texture results What you get and how to use - 3 pattern sizes and 2 pieces per size for versatility - 1 toolholder and accessories for immediate use - Easy to switch between pattern sizes and wheel grades to suit the project Applications - Add decorative texture to metal panels, housings, tags, or tool handles - Create grip textures on machined shafts, knobs, or lids - Personalize jewelry, hardware, or craft metalwork with distinctive patterns How to operate - Mount a wheel on the toolholder - Choose size (0.5, 1.0 or 2.0 mm) and wheel grade (coarse, medium, fine) to achieve the desired texture - Apply evenly across the metal surface to emboss the pattern This description retains the original product scope and functionality while presenting clear, customer-friendly benefits and practical use cases.