Jewelers Epoxy Bonding Glue goes on clear and colorless. Epoxy glue sets within 4 minutes of initial application. Especially formulated for making and repairing jewelry and all other hobbies and crafts. The resin and hardener mix together to create a formula that can bond fiberglass, glass, ceramics, plastic, metal and wood. The resin and hardener tubes are 0.5 FL OZ each and are easy to open and store away.