Package Include:2 x Hot-Melt Glue Gun NozzleSpecifications:Features: - Small size, easy to carry.- There are rubber ball leakage device.- High-quality high carbon steel manufacturing, durable.- This glue nozzles have different size for the nozzle diameter. the diameter sizes bigger, the glue overflow faster. you can choose the right size for your situation.Model: Hot-Melt Glue Gun NozzleColor: GoldPower: 120WDispense Time Adjustment: 12sDischarge Frequency: 12 times / minMinimum Discharge Volume: 10mlAttention: - Gun nose diameter 2mm, the front length of 10mm, tail thread diameter of about 10.5mm only and the same size to use.- If you want to change the glue nozzles. you must wait for 30 minutes to wait the glue gun cool down comletely. Never touch the glue nozzles body when you use the glue gun.