Non-, easy to operate fit 20w glue . For arts crafts & hobbies: used in plastic, metal, wood, paper, leather, handicrafts, toys, electronics, furniture, shoes materials, coating, ceramics, lamps, pearl cotton, food packaging, speakers and other adhesive Fast adhesion high strength, aging resistance, good thermal stability etc Material:Hot Melt Glue, Weight: 0.141536772204 pounds, Manufacturer: HuddleGlow