[Wide Application]- 45 degree blade is suitable for most general purpose cuts, such as paper, vinyl, sticker,etc; 60 degree blade used for the most intricate and delicate cuts; 30 degree blade should be recommended for fabric, thin cardboard and leather. [Blades Material]- These cutting blades for Cricut use well for cutting media up to 0.25mm thickness. They could be used to cut through thicker and denser materials such as glitter paper, adhesive foil, and computer paper, chipboard, stamp material, thick cardstock, foam sheets, cardboard, balsa wood, and some fabrics. These replacement blades will keep your crafting on track for creating a card, scrapbook, personalized gift, Christmas party wall decoration. [Cutting ]- The tip is made of quality tungsten steel, very and durable for long-time cutting, not easy to rust; the blade rod made by grinding& polishing premium tungsten steel is capable of withstanding wear and tear, allowing you to enjoy more cutting hours. [Attention Please] - The Explore blades for Cricut are very , and all blades must be adjusted manually for setting the length of angle tip according to the different types of blades or different cutting material. So please pay attention to the safety of your hands when changing blades. Wide Application: These Blades for Cricut with wide application could be used for Cricut Explore Air/Air 2 /Maker/ Expression Colour: blue + red + yellow + silver Material: tungsten steel Size: length 23.2mm, diameter 2mm Package Contents: 10 x 30 degree blades 30 x 45 degree blades 20 x 60 degree blades Attention Please: If you feel the blades dull at the first time of using, please manually adjust angle blade with the desired media properly. Only the above package content, other products are not included. Note: Light shooting 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.