PRODUCT INFORMATION Innovative Three-Spring Design: Ensures unparalleled stability by balancing compression and release, guaranteeing consistently perfect espresso every time. Precise 30 lbs Pressure Control: Delivers a professional-grade 30 lbs of consistent pressure, unlocking richer flavors and superior extraction quality. Special Sound Feedback: Audible Precision: A satisfying "click" sound signals when 30 lbs of pressure is reached, eliminating the guesswork of tamping. Say goodbye to wondering, "Am I applying enough pressure, and when should I stop?" Effortless Operation: Automatic reset eliminates tilting risks, making it the perfect choice for beginners and professionals alike. Built to Last: Featuring a robust 58.35mm stainless steel base, engineered for precise, even tamping and unmatched durability. Hassle-Free Maintenance: Comes with a spare spring and step-by-step guide, ensuring quick and easy replacements for long-term use. PRODUCT SPECIFICATION Material SUS304, Aluminum Alloy Specification 58.35 mm Weight Approx 510g Color Silver Black, Black Gold, Scorching Red