[40PCS for 45 degree Five Point Replacement ]- These 45 degree for fine point cutting 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 very and , withstanding wear and tear for long cutting hours. Handle with care and please unplug the machine before replacing the blade. [Compatibility]- These for are perfectly compatible with for Explore Air 2/Air/Maker/ Expression. These for replacement keep your crafting on track, whether creating a card, scrapbook, personalized gift, Christmas party wall decoration. [Cutting Material]- These for cutting perform well for cutting media up to 0.25mm thickness. for 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 couldn't automatically adjust the depth needed to cut, and all must be adjusted manually for setting the length of angle tip according to the different types of 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<br><br>Package Contents: 40 *45 degreeFive Point Cutting (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.