Features: Copper solid needle: Made from copper for long service life, double-layer port process for internal and external durability, ensuring quality and extended performance. Environmentally-friendly copper terminal: Uses eco-friendly copper terminals with strong contact for stable and reliable signal transmission. Clear pin design: Clearly marked pin circuit board with a large connection port for easy and convenient wiring. Flame retardant and wear resistant: Port features high hardness, wear resistance, and plug durability. Application: Compatible with all 50-pin and serial devices. Specifications: Material: Metal + Plastic Type: Male/Female Size: Approx. 68 x 81mm / 2.68 x 3.19 inches Package Includes: 1 x DB50 Connector Note: 1. Please allow 1-2 cm errors due to manual measurement. Ensure you are comfortable with this before ordering. 2. Due to differences in monitor displays, the image may not reflect the actual color of the item.