About this item Self Leveling & Spring-Loaded Design: This 58mm coffee tamper features an innovative auto-leveling mechanism and a double spring system that apply consistent pressure for a perfectly level tamp and an evenly compacted puck every time The 58.35mm tamper size is specifically designed for 58mm portafilters to ensure optimal espresso extraction.It provides a precise and snug fit in the 58mm portafilter basket, allowing perfect tamping of coffee grounds. Calibrated Pressure: Precisely calibrated to exert 30 lbs of pressure, the ideal amount for optimal espresso extraction.Comes with 3 interchangeable springs to suit your preference Durable Construction: Crafted with a stainless steel ripple base and a walnut handle for a comfortable grip and long-lasting durability. Complete Your Espresso Kit: Pair this tamper with other high-quality KNODOS espresso tools for the ultimate coffee experience. Perfectly compatible with KNODOS leveling tool, tamping station, portafilter, bean cellar, knock box, dosing funnel, and WDT tool.