10pcs utility knife blade all black blade 30 degree acute angle paper cutting blade film engraving blade 75*9*0.4mm
https://www.vogueparade.com/shopping/EN/100003131/1/1005002505546521/10pcs-utility-knife-blade-all-black-blade-30-degree-acute-angle-paper-cutting-blade-film-engraving-blade-75904mm//