Opening size: 9mm terminal, nickel-plated metal, bright electroplating, good contact performance, and good plug-in force. Plastic colors are: red/black. The actual shooting, there is a size chart inside. Small package, 200 pieces per bag, 10 pieces start! The price is an quotation. The color is not remarked, and the default color of the system is red and black. (Factory direct sales, large quantity and price negotiation discount.)