Features: Universal 4mm Banana jacks Binding Post ensures smooth connection with sound equipment and instrument, featuring metal construction for stable signal transmission and ABS flame retardant housing for enhances safety. Tool without installation design allows quick setups without specializes equipment, while the 4mm universal socket accommodates standard banana plugs for multifunction compatibility. designs for audiophiles, home theaters enthusiasts, and professional installers requiring reliable, connection in diverse sound setups. Ideal for home studios, live sound systems, and industrial applications where secure, low resistance electrical contacts critical. Color terminals simple polarity identification, and the corrosion resistant metal cores ensures long even in large demand environment. Specifications: Component : metal + ABS Size: about 11x11x45mm/0.43x0.43x1.8inch Package Includes: 5xBanana plugs Socket note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the differences between different monitors, the picture may not reflect the actual colorful of the item.