Let the Deep Cut Blade from Brother do the hard work for you! This specially designed blade was made to cut thick materials like felt, denim and even leather (thickness ranging from 0.5mm - 1.5mm, depending on the material). For use with ScanNCut Deep Cut Blade Holder (nm-cahlf1) and the ScanNCut machine (nm-cm250), each sold separately. Each package includes on deep cut replacement blade.