1pcs AN4 AN6 AN8 AN10 AN12 Hex Bolt Port Fitting Adapter Aluminum Female Flare Cap Plug Pipe Fittings Black Features: Flare caps block the fuel hose, prevent dirt and debris from entering the adapters. Anodized for great appearance, anti-corrosion durability, long lasting and sturdy. Designed with think tight seal with any manufacturers adapter connectors.Completely reusable, simply disassemble and place on another hose.Precision machined to exact tolerances for trouble-free performance.Specifications:Material: Aluminum AlloySize: Approx.1.6x1.7cm/0.62x0 .66 inch Size: Approx.2x2cm/0.78x0.78inch Size: Approx.2.2x2.5cm/0.86x0.98inch Size: Approx.3x2.7cm/1.18x1.06inch Size: Approx.3.1x2.6cm/1.22x1.02inch Color: Black Note: 1. Please allow 1-2cm errors due to manual measurement, make sure you don't mind before placing order.2. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you for your understanding. Package includes: 1x Aluminum Adapter