This high-powered 220W gun quickly melts glue sticks for high output applications such as gluing tack strip to concrete with acrylic glue sticks. The gun has variable temperature control from 284F 428F. It comes with a precision1/8 glue nozzle and a carrying case. Takes standard7/16 diameter glue sticks (Crain No. 201 10 regular, No. 202 4 regular, or No. 208 10 acrylic). Works with the following Crain accessory nozzles: No. 627 Carpet Edge Sealing Tip, No. 6281/4 Nozzle, No. 6291/8 Nozzle (all sold separately). In operation, this guns nozzle and melted glue temperatures are very hot, up to 400F. Users should avoid contact and keep out of reach of children.