PACKAGING-50PCS replacement cutting blades stored in a small delicate box, including 10PCS 30 degree vinyl cutting replacement blades (yellow cap) + 30PCS 45 degree standard blades (red cap) + 10PCS 60 degree deep cutting (blue cap).COMPATIBILITY- These replacement blades are fully compatible with Explore Air2/Air3 /Maker/Expression, so they'll keep your process on track no matter which machine you use.SHARP & SMOOTHY-The blades are made of carbuye, featuring high hardness, abrasion resistance, strength and toughness, making your DIY projects perfect, whatever the general purpose cutting or complex and fine cutting.WIDE APPLICATION-Fine point blades are suitable for light to medium weight materials, so whether you want to cut cardboard or fabric or vinyl, they'll keep your craft work on track.FULL RANGE OF ANGLES TO CHOOSE-These explore blades are available in 30°, 45° and 60° angles, only replacement cutting blades are needed for cutting different materials from light to medium weight.