The Surebonder Dual Temperature 40 watt Glue Gun is ideal for but not limited to crafts, floral projects and do it yourself ventures. You can easily go from high temp to low temp with the flick of a switch. Use low temperature for bonding delicate material such as lace, foil, ribbon, etc and high temperature for bonding metals, plastics, ceramics etc. This glue gun uses 7/16-inch diameter or standard full size glue sticks.