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 cuts; 60 degree blade does the most intricate and delicate cuts. : Made of alloy tungsten steel, high quality and extra ,super wear resistance,high hardness Carbide tip with higher hardness (HRA93), higher hardness, greater strength, tip more , 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 .(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.