Surebonder PRO2-220HT 220W High Temperature Industrial Glue Gun High Temperature-220 Watts Specialty nozzles available; Surebonder Nozzle Set #6000 (not included with this gun) Stroke Screw Adjustment - Allows equal amounts of glue per squeeze Integrated gun balancer mount hole Uses Standard 7/16", 1/2", (0.43") Diameter Glue Sticks