Blades is stainless steel, in the course of the grinding sharpening processing, high precision, nice lettering quality. Higher hardness, larger strength, tip extra , cutting plotter lettering faster. Good wear resistance,no burr, disturbing to rust Angle: forty five degree(Red) Fit for: Graphtec CB09 and Graphtec Type: Slab Milling Model Number: KZ054 colour:Red & silver material:Tungsten metallic size:19mm Package Contents: 15*carving knife 15*spring plastic Only the above kit content, other merchandise aren't included. Note: Light and diverse exhibits could cause the colour of the article in the photo just a little different from the genuine thing. The size allowed error is +/- 1-3cm.