Qualfast: M12 Wing Nut BZP (4) Zinc plated. Conform to DIN 314 MPN: 16250.120.001 EAN: M12 Wing Nut BZP (4) Attributes: Box Quantity: Driving Features: Wing Grade: 4 Leading Standard: DIN 314 Material: Steel Surface Treatment: Zinc Plated Thread: Metric Thread Direction: Right Thread Size: M12