These 4 spare blades will be perfect in case of wear of the blades of your portable cutter You can then simply continue cutting all your materials The centimeters are written on the cutter to allow you to be as precise as possible All you have to do is place your sheet in the desired location and slide the blade and you're done Package dimensions: 11.3 x 7.4 x 1.5 cm. Cricut part number: 2002675.