This Surebonder black/green mini high-temperature glue gun is ideal for crafts floral and do-it-yourself projects. The high-temperature glue guns are better for bonding metals plastics and ceramics. Uses 4-Inch or 10-Inch glue sticks with 5/16-Inch diameter. Plug in the cord for power and unplug immediately after use. Insert the glue stick into the chamber and pull the trigger to advance the glue. 10 watts 120 volts.