Features: Achieve coffee customization with this adjustable over pressure valves, featuring precisions pressures control to enhances extraction and unlock nuanced flavor from any coffees bean variety. Crafted from corrosions resistant brass, this heavy type valves maintains structural integrity under 150°C/300°F temperatures and 15bar pressure for lasting espresso machine performances. Ideal for specialty coffee enthusiasts seeking professional equipment upgrades, suitable for various espresso machine models. Perfect for fine tuning morning espresso shots or dialing in pressure sensitive light roasts beans during weekends brewing for home kitchens or compact cafés setups. Optimizes extraction consistency through calibrated spring mechanisms that prevent channeling and over extraction, while its universally thread design ensures seamless integration with most coffee machine boilers. Specifications: Component: Copper Connection Form: External Thread Drive Mode: Manual Adjustment Length: Approx. 1.25inch(3.2cm) Package Includes: 1x Adjustable Over Pressure Valves note: Please allow 1-2cm errors due to manual measurement. Due to the differences between different monitors, the picture may not reflect the actual color from the item.