MT Nano Tape Cutter Set for 30mm Masking Tape
(1) Cutter Attached: Hook the tape around the movable roller end, and lift the tape against the cutter to tear (see picture below). Handy for shorter strips of tape.
(2) Cutter Detached: Place over the roll of tape at any point you need to tear it. Simply press it against the cutter to tear. Great for longer strips of tape.