The Puffco Hot Knife is an electronic heated loading tool. It makes loading your concentrates a simple, clean, and effective process. No more dirty dab tools, sticky residue on clothing or surfaces, or having to wipe concentrates on the side of the bowl.Features & Specs. Ceramic tip Electronically-heated No other tools required Simple & clean operation How it Works. Takes 30 mins to charge Just hold down the button, and your oil drops right off in 3 seconds Lasts at least 50 or more uses per charge Caution - tip gets very hot - use the cap to store when finished To clean, press the button to warm and wipe surfaces with a cotton swab What's in the Box. 1x - Puffco Hot Knife 1x - USB-C port/USBC charging cable