Use: Suitable for all metal products appearance of the embossing to beautiful, non-slip role Package: Package contains 3 different pattern sizes (0.5mm 1.0mm 2.0mm 2 of each size), 1 toolholder and accessories. Material: super hard material More and efficient than ordinary knurling knives Features: 3 sets of coarse, medium and fine super hard wheels rolled with different patterns Note: Adequate lubrication extend the life of the tool, Weight: 1.32497819462 pounds, Manufacturer: tiyao