Pixnor 50 Pairs of 2.0mm Gold Plated Male and Female Bullet Banana Connectors Plugs for DIY RC Battery ESC Motor Color: golden. Material: durable gold-plated metal. Plug internal diameter: about 2.0mm. Include 50pcs 2.0mm male bullet banana plugs and 50pcs 2.0mm female ones. Used for RC battery ESC motor, or other RC DIY purpose. Hook up brushless motor to electronic speed control.