Becareful, you could definitely cut your finger if not held correctly, I had a co worker do it right in front of me.
Tape King Tape Dispenser Gun TX100
With shipping gifts as often as we do lately, I have found the Tape King Tape Dispenser Gun TX100 to make the job a lot easier. It is comfortable, easy to use, and you can tape and cut in a one-handed stroke. It is a real time saver and holds 2-4.5 inch tape.