Universal Desktop Tape Set, 1" Core, Weighted Nonskid Base, Black Tape Dispenser: Weighted, nonskid base prevents sliding. Invisible Tape: Invisible Tape, 3/4" x 1000", 1" Core, Clear, 6/Pack Masking Tape: 18mm x 54.8m, 3" Core, 2/Pack Simple yet effective design is great for home or professional offices.