Specifications: Material: Cemented carbide + steel stainless Overall length : 23.5mm Blade diameter: 2mm Angle: 30(Yellow cap) , 45(Red cap) , 60(Blue cap) Total Quantity: 50Pcs Package Includes: 50 x Degree Cutting Blades Wide Application: These Blades with wide application could be used for Explore Air 2/Air /Maker/ Expression. Compatible with Roland, Refine, Rabbit(HX) , Redsail(RS) , Yinhe(YH), Ruijie(RJ), etc. Cutting Material: These cutting blades suitable for cutting media up to 0.25mm thick. 30 Shallow Cut Blades: Used for cutting window tint, film and rice paper. 45 Standard Blades: Used for cutting glitter paper, foiled card stock, adhesive foil, poster board, and computer paper, vinyl, stickers. 60 Deep Cut Blade: Used for cutting magnet, chipboard, stamp material, thick card stock, foam sheets, cardboard, and some fabrics. (Please used them with the deep-point blade housing.) These replacement blades will keep your crafting on track, whether creating a card, scrapbook, personalized gift, Christmas party wall decoration. Attention Please: These Explore blades couldnt automatically adjust the depth needed to cut, 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. Please test the cutting effect after setting appropriate cutting depth. If you feel the blades dull at the first time of using, please manually adjust angle blade with the desired media properly.