Qualfast: M12 Hex Nut Brass CU2/CU3 NI Hexagon Nut Metric Brass - Ni (Nickel Plated) - Cu2/Cu3 DIN 934 (1987) MPN: M12 Hex Nut Brass CU2/CU3 NI Attributes: Box Quantity: 50 Driving Features: Hexagon Grade: Cu2/Cu3 Material: Brass Surface Treatment: Nickel Plated Thread: Metric Thread Direction: Right Thread Size: M12