These are 7/16" x 10" high strength glue sticks for wood, metals and plastics. It's what we personally use for all of our projects.
These are ordered from glu-stix.com.
Dura-Tac Specifications: (8 sticks per package) - Recommended application temp.: 370 degrees F - Softening point: 180 degrees F - Cold Resistance at approximately -22F - Open...