Pure Copper Heating Motor Can heat quickly, convenient and easy to operate, improve work efficiency. Air-Cooling Function Can be used continuously for a long time. In order to better prolong the service life of the hot knife, please try to work for five minutes and rest for one minute. Metal Hook During use, if you want to stop using, you can use its special metal hook to hang it, and then take it off when you are using it. Convenient and save space. Tool Storage Box A durable blow-molded storage toolbox with designated slots to keep every accessory neatly organized, small and light, easy to store and carry. RONGTER 3 in 1 Hot Wire Foam Cutter kit RONGTER 4 in 1 Hot Wire Foam Cutter kit RONGTER Foam Cutter Pro Electric Hot Knife RONGTER Foam Cutter- Air Cooled Pro Electric Hot Knife Buying Options Buying Options Buying Options Buying Options Customer Reviews 4.1 out of 5 stars 72 4.6 out of 5 stars 25 4.0 out of 5 stars 29 3.1 out of 5 stars 7 On/Off Safety Button ✓ ✓ ✓ ✓ UL Approved Power Supply ✓ ✓ ✓ ✓