Glue is blue when wet but turns clean when dry.
Wet Bond (Permanent) :
Use immediately after apply adhesive.
Make bond while glue is blue.
Dry Bond (Temporary) :
Apply lightly and use after adhesive is dry.
Make bond after glue is clear.
Made in Japan.
To start each pen, just push the tip in several times until tip turns blue.
Replace cap after use.
If glue comes in contact with skin wash with soap or water or alcohol.
Available in 3 tips.