A heavy duty heat sealer is chosen by many companies for both producing their own plastic bags as well as creating effective plastic packaging around numerous products quickly and easily. Fully adjustable, these sealers are suitable for constant heavy duty use, producing a perfect seal every time. It seals products by supplying heat to the bag once pushed down in position and the dual controls enable users to programme the temperature of the heat and the sealing time, therefore suiting a range of different bags. They are commonly used for applications in food packaging, manufacturing, construction and medical.