the main used in Shaveringfilm board the main model 225×100×5mm 300×100×5mm 374×100×5 mm 449×75×5 mm 449×100×5 mm 450×100× 5mm Other models of knives can be made by sample and draeings. Our longte provide the custom after sales service Comprehensively. For instance,the motheds of using and mainteance .If you machine has been transformed , Please tell us in order to install easily.