stainless steel and solid wood design: Teyearlife coffee tamper is made by Walnut top cover and stainless steel base. It has an ergonomic wooden handle and Metal ring, making it easier for you to compact your coffee. Calibration level: Allow you to limit the depth of your tamp.The spring loaded is the ring around the tamper that pushes on the basket，Ensure pressure on coffee levels and fully compressing the puck No spring loaded：Compared to the 30lb Calibrated tamper, The adjustable depth compaction hammer is easier to operate and Longer usage time, less prone to damage.spring loaded calibration cannot improve the production level of espresso FITS for 51mm portafilter: the 53.3mm tamper is more suitable for the 51mm portafilter than 53mm espresso tamper. Suitable for the following Breville/Sage models including:bes 810,840,870,878,880,450,500 Espresso Kit Setup for home-baristas：Enhance Your Espresso Kit Setup Just to complement a range of Teyearlife espresso accessories, including tamper, tamping station, 51mm bottomless portafilter, bean cellar, knock box, and WDT tool Introducing the 51mm Espresso Tamper - the perfect accessory replacement for espresso machine users and home baristas. Crafted with precision, this tamper is designed to fit 51mm portafilters, providing a more efficient and uniform distribution of coffee powder. Made from high-quality stainless steel and featuring a spring-loaded mechanism, it ensures optimal pressure while tamping.The 51mm Espresso Tamper is not only functional but also aesthetically pleasing. Its solid wood handle adds a touch of elegance to your espresso-making routine. The tamper is calibrated to guarantee consistent results, allowing you to create the perfect brew every time.Compatible with 51mm bottomless portafilters, WDT tools, distributor 51mm, and tamping stations, this tamper is a versatile tool that enhances the experience of home baristas. Whether you're using 51mm espresso accessories, this tamper is a must-have addition to your coffee setup.Join the ranks of espresso enthusiasts who start their mornings with a delicious cup of coffee. Elevate your brewing game with the 51mm Espresso Tamper and unlock the true potential of your home espresso machine.