Pneumatic slitting knife group adopts one-piece design, and provides good rigidity and strength. It can be quickly combined with the tool to achieve accurate positioning of the knife arrangement. It has the advantages of time saving, fast and stable. Widely used in paper (release paper, clean paper, masking paper, kraft paper, wallpaper, adhesive paper, etc.), rubber (rubber skin, rubber magnetic board, etc.), foam (foam cloth, foam Etc.), cloth (natural cotton cloth, trademark cloth, medical tape, non-woven cloth, synthetic cloth, clean cloth, etc.), plastic film (BOPP, PE, PET, adhesive tape, soft PVC, etc.)