28 pcs Electronic Accessories: Includes 8 banana plugs (4 red + 4 black) and 20 x 2mm banana plugs (10 black + 10 red). Screw-on connection, no soldering required. Standard size fits most speakers. Ensures correct polarity with secure, positive contact to binding posts. Features corrosion-resistant, 24K gold-plated surface and copper body construction with ferrule tips. Ideal for connecting satellite and center channel speakers to AV receivers. Banana plugs make speaker installation a breeze. Designed for amplifiers or speakers with traditional binding posts. Simplifies connections and prevents short circuits from loose wires. Plug body is made of copper with a ferrule tip, plated with gold to prevent corrosion and ensure smooth connections. 4mm 90-degree right-angle banana connector, perfect for 20AWG-8AWG speaker wire connections. Material: Copper body construction and ferrule tips, 24K gold-plated surface, corrosion-resistant. Screw-on connection, no soldering needed, convenient for connecting speakers to AV receivers. Color-coded black/red rings for correct polarity. Right-angle plugs are great for wall-hugging connections and pushing AV racks as flush as possible. Color: Black + Red + Gold Material: Copper + Iron Size: 20 x 2mm Package Contents: 8 x Banana Plugs (4 red + 4 black) 20 x 2mm Banana Plugs (10 black + 10 red) Note: Colors may vary slightly due to monitor differences. Allow for a +/- 1-3 cm measurement error.