Features: High-standard industrial materials product design short metal shell, about the size of a coin. Thickened metal shell is smooth, bright, clean, wear-resistant, corrosion-resistant, oxidation-resistant. Side-by-side use is not crowded, suitable for narrow space, and inserted side by side is not crowded, suitable for place with narrow space. Intimate design of safety protective, with 8mm dust-proof soft tail pipe with soft material, bending resistance/preventing foreign debris from entering adapter. Flame-retardant PC material have good insulation, high heat resistance. Specifications: Component:Metal Type:Female/Male Size:Approx.3.24x3.286cm/1.28x1.29inch Package Includes: 1Pc DB9 Connector note: 1.Please allow 1-2cm errors due to manual measurement, making sure that you not mind before order. 2.Due to the differences between different monitors, the picture may not reflect the actual of the item.