Manual Coffee Maker Set, Mechanical Hand-Cranked Coffee Machine, For 58mm Portafilter, With Pre-Infusion & Pressure Gauge, For Home And Outdoor Travel Camping Use

Pre-infusion (3-5 bar): Low-pressure pre-infusion fully expands and moistens the coffee grounds, releasing aromatic compounds, ready for extraction.(6-9 bar): Gradually increasing pressure balances the acidity and sweetness of the coffee during extraction.(9 bar) Espresso begins here, also suitable for extraction.(9-12 bar) High-pressure slow extraction stimulates the oils and body compounds in the coffee grounds, extracting a rich essence.Specifications:Name: Manual Coffee Maker SetMaterial: Stainless Steel, Aluminum Alloy, Walnut WoodWater Tank Capacity: Max 130mlCompatible with: 58mm PortafilterSize: 36 * 39cmBase Size: 28 * 17cmProduct Includes:1 * Manual Coffee Maker Set

• Electricity-Free Manual Operation: No power supply needed, relying on pure manual operation to brew rich, oily Espresso. Ideal for users with basic coffee-making experience.
• 58mm Professional Brewing Head: Larger contact area and optimized pressure gradient for better extraction flavor. Equipped with a visual pressure gauge for real-time feedback to master extraction rhythm accurately.
• Durable Aerospace-Grade Aluminum: One-piece chassis made of aerospace-grade aluminum. Internal mechanical design ensures durable gears and stable long-term use.
• Pre-Infusion Function: Quickly wets coffee grounds to soften and stabilize them, enabling even water penetration during extraction for improved flavor and mouthfeel.
• Labor-Saving Mechanical Crank: Optimized crank dynamics reduce effort by 70%. Solid wood crank offers comfortable grip, paired with ball bearings for stable extraction pressure.