... XZ-708 Semi-automatic Tape Cutting Machine Usage:Suitable for cutting adhesive tape,duct tape, double sides tape, describe paper, cloth tape, polyester film, PET ... reducer on the round knife make cut smoothly and beautiful edge of finished product.Special for cutting the big diameter.3 ... knife and keep it from losing edge.4. Easy to use and get smooth surface,the machine cutting procedure is steady.5 ...