Semi-automatic Rotating Wheel Design. Cuts and dispenses multiple 1.7" heat tape resistants trips with just one easy turn, which can one-handed dispensing easily.^ Dual-Roll Cores. Come with 1" and 3" inch spool for replacement by hand, The big ring can use the heat transfer tape with the inner ring of 3" , and the small ring can use the stationery tape with the inner ring of 1" ,the total width of the tapes should not exceed 1.7 inch.^ Safety Concealable Cutter Blades.The on/off switch is built-in with child-proof feature, children also can use it with confidence.And it can cut any length you want.^ Attached A Cute Pen Holder. Used for pencils, ruler, pencils, scissors or markers hold and organized, make your desk more tidy.^