This is an all metal machine with a 2" capacity. It has 3 time settings for better control. The premium PTC ceramic heater is long lasting and offers constant temperature control. Designed to work with all brands of thermal binding supplies. Not a cheap plastic knock-off. We helped develop this machine and have been selling it for over14 years. With over 20 years experience with our own brands as well as those of most of the major manufacturers, we are able to provide great customer service, all types of customization, and and expert advice.