About this item 【Constant Force Tamping Technology】Built-in precision spring system delivers 30lbs consistent pressure, ensuring even tamping every time and completely solving the uneven tamping problem of traditional tampers, improving espresso extraction quality. 【Precision Calibration System】Our espresso tamper has a unique scale adjustment allows precise control over tamping depth, suitable for light to dark roast coffee beans, helping you brew more balanced espresso shots. 【Premium Material Construction】Our espresso tamper is made of 304 stainless steel solid base with matte finish resists scratches, ergonomic aluminum alloy handle provides comfortable grip and even force distribution, threaded bottom fits most commercial and home espresso machines. 【Auto-Leveling Function】The espresso tamper with a built-in spring design perfectly achieves automatic rebound, keeping the tamper perfectly level after each press, significantly improving coffee making efficiency and consistency. 【Suitable for 51MM Specification】Designed with a 51MM threaded bottom, suitable for coffee machines of corresponding specification. Adding a practical tool to the coffee - making process and improving convenience.