Description 70Pcs Electrical Wire Twist Nut Connector Terminals Cap Spring Insert Assortment Features Electrical insulation and anticorrosion Lowest aging lowest fading Long service life Can Withstand 105 Degrees Celsius 221 Degrees Fahrenheit Cone Shaped Springs Pull Wires into the Nut Connectors for a Firm GripNo Need to Pre Twist Wires Specification Blue Connectors Hight 17 6mmWidth 9 8mmInside Diameter 7 4mmWire Range 22 14 AWGOrange Connectors Hight 22mmWidth 12 3mmInside Diameter 9 9mmWire Range 22 14 AWGYellow Connectors Hight 23 6mmWidth 13 6mmInside Diameter 11 2mmWire Range 22 14 AWGRed Connectors Hight 26 6mmWidth 16mmInside Diameter 12 8mmWire Range 18 10AWG Package includes 20 x Blue Connectors20 x Orange Connectors20 x Yellow Connectors10 x Red Connectors Details pictures