Compatibility: Compatible with Graphtec CB09U,can be perfect replacement for Silhouette cameo (1/2/3)/portrait /curio and Graphtec 6000/ 5000 -60 Plotter. Blade: 6*30 degree cutter blade (Yellow Cap); 6*45 degree cutter blade (Red Cap); 6*60 degree cutter blade (Blue Cap) Application: 30 degree blade should be recommended for fabric, thin cardboard and leather; 45 degree blade used for most general purpose cuts; 60 degree blade does the most intricate and delicate cuts. Durable: Made of alloy tungsten steel, high quality and extra long life,super wear resistance,high hardness Carbide tip with higher hardness (HRA93), higher hardness, greater strength, tip more sharper, cutting plotter lettering faster. 30,45,60 design fits most of cutting plotter. Application: 30 degree blades (yellow cap): Cutting very small font & intricate line-art logos.(eg: any thin vinyl) 45 degree blades (red cap): Cutting general fonts, vinyl film.(eg: vinyl for traffic sign, flocks, etc.) 60 degree blades (blue cap): Cut large fonts, thick materials for about 1mm. (eg: reflective material, masking tapes, etc.) Blade size: 20mm*1mm(L*Dia) Holder Size: 52mm*11mm(L*Dia) Material: Tungsten steel Color: 30(Blue),45(Red),60(Yellow);Each color was 6pcs Quantity: 18PCS Blades+1PC Holder Package Includes: 6 * 30 Degree Cutter Blade (Yellow) 6 * 45 Degree Cutter Blade (Red) 6 * 60 Degree Cutter Blade (Blue) 1 * Blade 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.