[What You will ]-You will 60 Cutting Blades suitable for cutting machine, including 15PCS 30 degree fine Blade replacement blades (yellow cap)+30PCS 45 degree standard blades (red &black cap)+15PCS 60 degree (blue cap). [High Compatibility] replacement blades is perfectly suit for Air/ Air 2/Maker/Expression.The for Air 2 Accessories. [Cutting Sharp & ]The Replacement Blades are made of carbide, sturdy and durable,not easy to rust, long service life,Sharper than other blades in market, you can cut your project fluently,cut clean with no dragging and no skipped spots. [Silicone Protective Cap]All blades are by different coloured Silicone caps for prefect protection and easy differentiation. [3 Size Cutting Effect]There are 3 different sizes of replacement blades for cutting different materials, 30degree blade is used for thin media: , film, rice paper, 45degree blade is for the standard blade, suit for paper, vinyl, sticker, adhesive foil, 60degree blade suit for deep media: fabric, cork, magnet and leather, thick card . Colour:silver Material:Stainless steel Size:Overall length: 23.5mm Package Contents: 1 set x Cutting Blades Only the above package content, other are not included. Note: Light and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.