- Galvanized quick connector: DIN 56926 - B - 90 - Material - Ø d : 4 mm - Form B - Opening width: Approximately 11.5 mm - Breaking load: Minimum 900 daN - With stamped marking: DIN 56926 - B - 90 - Chain quick release: NG 4 mm EUR 1.00 - See more - Buy online