Hot Glue Gun Tips 7/16inches Thread Interchangeable Copper Nozzles for Hot Melting Glue Gun Bore Size 0.05 inch 0.06 inch 0.08 inch x 1.26 inch with Mini Wrench and Rubber Gaskets for Replacement Parts 3Pcs/Set

Size: 1.2x32mm(1/20"x1.26") 1.5x32mm(1/17"x1.26") 2.0x32mm(1/13"x1.26") Thread Diameter: M11 (7/16 inches) 10.6-10.8mm Nozzle Material: Copper Packing List: 3 x Copper Glue Gun Nozzles 3 x Non-slip Gaskets 1 x Small Wrench Installation Method: 1. Simply replace the old nozzle with the new one for the glue guns that have never been used before. 2. For the glue guns that have been used before, plug in the power and start preheating for about one minute, then remove the old nozzle using spanner(DO NOT USE YOUR HANDS IT'S VERY HOT) and replace it with the new one.