1. 2.through the grinding polishing processing, high precision, good lettering quality. 3.Carbide tip with higher hardness (HRA93), higher hardness, greater strength, tip more , cutting plotter lettering faster. 4. span ,Resistance, high hardness. colour:Photo Color Material:Aluminum alloy + tungsten steel Package Contents: 5 * 30° blades 5 * 45° blades 5 * 60° blades 1 * cutting plotter holder Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.