Comes in packs of 10. 45mm diameter blades, compatible with: Evolution3 in optional Fabric tool head, Evolution-E2, Javelin Integra, Javelin Series 2 and Sabre Series 2. Made from high grade Japanese steel, this blade is suitable for trimming thin strips off banners and posters. Use in conjunction with the cutting strip on the Evolution3 SmartFold and Evolution-E2 or a cutting mat on other cutters.