Happy Hours Multi-Purpose DIY Art Craft Must High Temperature Hot Melt Glue Gun with Trigger For 6.8-7.5mm Glue Bar 20W Electric Fast Heat 100V-240V & 2 Free Glue Sticks Compatible with glue stick diameter in 6.8-7.5mm Ideal adhesive for home, office and school DIY crafts projects including metal, wood, glass, card, fabric, plastic, ceramics and so on. Convenient and safe to use. Input Voltage : AC 110-240V, 50/60Hz;Power : 20W&lt; Multi-purpose hot melt adhesive for many applications, such as manufacture packing, school, company and outdoor working