●Double ring type date insert/ stamp is for Year, month or date management
●Saving space of molding product and reducing cost. No need to change date insert/ stamp up to 6 years maximum.
●Patent: US, Germany, Japan
[Specification / material]
Outer diameter: φ6, φ8, φ10, φ16
Total length: 10mm, 12mm, 14mm
Type of Mark: year-month display, date display