Features: SK-7 imported blades, after 7 special processing made, compared with the average length of domestic cutting board six times longer. The perfect tool to cut paper, fabric, leather, plastic, cloth, etc. Suitable for cutting at home, office,school, shop, especially the use of technology. Specification: Material:Metal Diameter: about 45mm Style: A: 7 straight blades,1 Rotary blades,1 wave blades,1 dotted blades B: 10 toothed blades C: 10 wavy blades Note: Actual color may be slightly different from the image due to different monitor and light effect. 1. The above dimensions are measured by physical objects. There will be 1-2cm error due to different measurements. 2. Please use it carefully, not to be taken by small children; 3. If the long-term not in use , please drop some of the oil in the cutter head , extended service life. Pattern Type:Other Package List: 10 Pcs/Set X Blades