The PRO2-100L Industrial low temperature glue gun delivers approximately 2.5-Pounds of glue per hour with 100-Watt of heating power. Features solid state PTC (positive temperature control) heaters. Ergonomic design long trigger for less effort. Insulated and interchangeable nozzle, double insulated ground cord, ON/OFF power switch. Complete with a removal wire stand. This gun uses standard (1/2", 7/16", 0.43") diameter glue sticks.