Feature Highlights: 1. Wide Compatibility – Designed for 3/8-inch mounting holes and fits chassis up to 3/16-inch thick. Perfect for amplifier, speaker, and audio system connections. 2. Premium Build – Made of zinc alloy with a gold-plated finish, these jacks offer excellent conductivity, corrosion resistance, and long-term reliability. 3. Secure Panel Mount – The sturdy chassis-mount socket ensures a stable, vibration-resistant connection for professional and DIY audio setups. 4. High-Quality Contact – Gold-plated female jacks provide low-resistance signal transmission, ensuring clear audio quality with minimal interference. 5. Convenient Bulk Pack – Includes 200 pieces (100 red + 100 black) for organized wiring and versatile installation needs. Product Details: These gold-plated panel-mount female jacks are built from durable zinc alloy, offering strong conductivity and a corrosion-resistant finish. They are designed to fit standard 3/8-inch mounting holes and support chassis up to 3/16-inch thick—ideal for amplifiers, speakers, and various audio systems. The secure panel-mount design keeps connections stable, while the gold-plated contacts ensure reliable signal transfer with reduced noise. Sold in a handy pack of 200 (100 red and 100 black), they provide a practical solution for wiring projects, repairs, or custom audio installations. Specifications: - Material: Zinc alloy - Finish: Gold-plated - Mounting Hole: 3/8 inch - Compatible Chassis Thickness: Up to 3/16 inch - Package Contents: 200 x Terminal Jack Plugs (100 Red + 100 Black) Note: Package includes only the items listed above. Slight color variations may occur due to lighting and screen differences. Dimensional tolerance is +/- 1–3 cm.