Model Number:10 PCS Binding Posts Terminals 4mm Banana Plug SocketOrigin:Mainland China 10 PCS Binding Posts Terminals : Comes in a pack of 10, providing ample supply for multiple projects. 4mm Banana Plug Socket : Compatible with a wide range of devices that use 4mm banana plugs. 4mm Terminal Connector : Allows for easy and secure attachment to other components in your circuit. Suitable for Amplifier Arduino : Ideal for use with amplifiers and Arduino boards, ensuring a perfect fit. 10pcs JS-910B JS-919 Terminal Wire Connectors JS-910B Jack Socket Female Binding Banana Plugs Terminal Connector Binding Post 4mm Banana Plug Jack Mounter for Speaker Audio 5 Red + 5 Black Features: 1.General use for 910 binding posts. 2.Voltage higher than 1KV below. 3.Current is less than 5A. 4.Breadboard fixing hole dia.8mm. 5.4 mm banana plug can be inserted. Specification: Total length: 33MM Below screw diameter: 3.7MM Interface type: AC/DC Working frequency: Low frequency Package includes: 10 * JS-910B Terminal Wire Connectors (5 Red + 5 Black) 1. Key away from Fire 2. Due to includeing small parts, please keep away from Children under Three. 3. Please leave 5 star feedback if you're satisfied with our products and service, we will appreciate it 4. If the products you received was damaged or any more question, please feel free to contact us.