[40PCS for 45 degree Five Point Replacement Blades]- These 45 degree for fine point cutting blades are mostly used for cutting on medium-weight materials ,such as glitter paper, foiled card stock, adhesive foil, poster board, and computer paper, vinyl, stickers. these for knife blades very and sharp, withstanding wear and tear for long cutting hours. Handle with care and please unplug the machine before replacing the blade. [Compatibility]- These for Blades are perfectly compatible with for Explore Air 2/Air/Maker/ Expression. These for replacement blades will keep your crafting on track, whether creating a card, scrapbook, personalized gift, Christmas party wall decoration. [Cutting Material]- These for cutting blades perform well for cutting media up to 0.25mm thickness. for blades 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. [for Accessories Attention Please]- These for Explore blades couldn't 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. Blade length: 24mm +/- 1mm Blade diameter:2mm Compatible Machine Models: for Explore Air for Explore Air 2 for for Expression colour:red Material:metal Package Contents: 40 *45 degreeFive Point Cutting Blades(Red Cap) Only the above package content, other products are not included. Note: Light reflection 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.