275 degrees F (135 degrees C) low temperature ideal for arts and crafts dries fast and clear. 140 degrees F (210 degrees C) high temperature ideal for general repair dries fast and clear. GS20DT: 4 inches x 0.45 inches Dia. 101 mm x 12 mm. GR20, GR25, GR100. Set Time: 30 - 60 seconds. Non-toxic. US & Canada only. www.stanleytools.com. Made in China.