Description: 100% brand new and high quality. Feature: Made of high-quality material, durable, firm and stable for us to use. 4mm Insulated Shrouded Safety 4mm Banana Female Jack Socket. It can connect all standard 4mm banana plug adapter (shrouded, non shrouded, retractable plug). Banan Jack Connector only, other accessories demo in the picture is not included! Specifications: Item Type: Banana Jack Connector Material: PA + Brass Nickel Plated Size: Length: 58mm/2.28in, Diameter: 9mm/0.35in Color: Black(5)+Red(5) Connection: Solder Quantity: 10pcs/bag Instructions: Step 1: Put the Cable through the housing to the plug. Step 2: Solder the cable to the plug. Step 3: Push the plug into the shell until the shell holds the plug.(You can use a male banana plug.) Note: No retail package. Transition: 1cm=10mm=0.39inch Please allow 1-3mm error due to manual measurement. pls make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you! Package Includes: 10 x Banana Jack Connector